Shop Summer Picks at Onderkast Studio

The Funfetti-filled Birthday Greeting Card by Onderkast Studio features a three-layer funfetti cake with candle, whipped cream, and blue candies, plus Have a Funfetti-Filled Birthday! on a yellow confetti-style background.

$4.95

Funfetti-filled Birthday Greeting Card

Hey There, Party Animal! Balloon Animals Greeting Card

$4.95

Hey There, Party Animal! Balloon Animals Greeting Card *

Fabulous Flamingo Floatie Greeting Card by Onderkast Studio: A light premium card printed in the USA, featuring a woman on a pink flamingo float. Front text: Hoping your day is as fabulous as you, which is like, ridiculously fabulous.

$4.95

Fabulous Flamingo Floatie Greeting Card

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And Now Your Greatest Adventure Begins Rainbows Greeting Card

$4.95

And Now Your Greatest Adventure Begins Rainbows Greeting Card

Happy Birthday Rainbow Cake Greeting Card

$4.95

Happy Birthday Rainbow Cake Greeting Card *

The Happy Birthday Sweet Cheeks Greeting Card by Onderkast Studio features an illustration of three women in swimsuits and party hats with HAPPY BIRTHDAY, SWEET CHEEKS! on a confetti background—fun and premium for any birthday.

$4.95

Happy Birthday Sweet Cheeks Greeting Card

The Balloon Animal Sticker by Onderkast Studio features a vibrant dog shape in red, orange, yellow, green, and blue sections on white. Made from durable vinyl, it’s a fun way to brighten any surface.

$4.50

Balloon Animal Sticker

The Another Year and Still Smashing It Pickleball Greeting Card by Onderkast Studio features a pink border, a hand with a green-and-white striped paddle hitting a yellow ball, and cheerful birthday wishes for pickleball fans.

$4.95

Another Year and Still Smashing It Pickleball Greeting Card

$4.95

Happy B-Day! Sunglasses Greeting Card *

The Happy Birthday! Banana Suit Girl Greeting Card by Onderkast Studio shows a smiling girl in a banana suit with arms raised, “HAPPY BIRTHDAY!” text, and comes with a partially visible light-colored envelope.

$4.95

Happy Birthday! Banana Suit Girl Greeting Card *

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The This Birthday Suits You Greeting Card by Onderkast Studio features a vibrant illustration of a joyful woman in sunglasses, scattered white flowers, and This Birthday Suits You! on a yellow background for a premium feel.

$4.95

This Birthday Suits You Greeting Card

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$4.95

Rainbow Happy Birthday Greeting Card *

The Aces Poker Birthday Greeting Card by Onderkast Studio features a cake decorated with playing cards, poker chips, and four candles, plus HAPPY BIRTHDAY and HOPE ITS ACES for a premium touch—perfect for any poker fan.

$4.95

Aces Poker Birthday Greeting Card

The Old As Balls Greeting Card by Onderkast Studio features playful OLD AS text with illustrated soccer, basketball, and footballs on a crisp white background—perfect for birthdays and offering a premium feel.

$4.95

Old As Balls Greeting Card

The Onderkast Studio Best Wishes Rainbow Cake Greeting Card shows a white frosted cake with colorful rainbow layers and gold Best wishes for the best couple lettering—perfect as a premium wedding greeting card.

$4.95

Best Wishes Rainbow Cake Greeting Card

The Onderkast Studio It Will All Be Okay Rainbow Letterpress Greeting Card features brown and beige arches above clouds with the message at the center, shown on a white envelope.

an open white book on a white background

$5.95

It Will All Be Okay Rainbow Letterpress Greeting Card

The “Youre a Cut Above the Rest Lawn Mower Greeting Card” by Onderkast Studio features bold yellow-green lettering on green and a lawn mower trimming “REST”—a unique choice for Father’s Day.

$4.95

You're a Cut Above the Rest Lawn Mower Greeting Card

Dog w/ Heart Sunglasses Sticker by Onderkast Studio features a brown fluffy dog in pink heart-shaped sunglasses and a light pink bandana on a white background. This water resistant vinyl sticker is perfect for personalizing your items.

$4.50

Dog w/ Heart Sunglasses Sticker

The Two Brides Are Better Than One Greeting Card by Onderkast Studio features a three-tiered wedding cake with floral accents and the phrase Two Brides are better than one! in elegant script, celebrating love and diversity.

$4.95

Two Brides Are Better Than One Greeting Card

The Onderkast Studio Two Grooms Are Better Than One Greeting Card features a four-tiered floral wedding cake and the phrase Two Grooms are better than one! in blue and teal script on a pale background.

$4.95

Two Grooms Are Better Than One Greeting Card

The Happy Birthday You Sweet Summer Child Greeting Card by Onderkast Studio features vibrant summer illustrations and the bold message HAPPY BIRTHDAY YOU SWEET SUMMER CHILD—the perfect premium card for a sunny birthday celebration.

$4.95

Happy Birthday You Sweet Summer Child Greeting Card

The Rainbow Cowboy Sticker by Onderkast Studio features a smiling cartoon rainbow in a cowboy hat and blue cloud boots. This durable, upright vinyl sticker is water resistant and adds fun to any surface.

$4.50

Rainbow Cowboy Sticker

The Beach, Please! Greeting Card by Onderkast Studio features a woman in a white swimsuit and pink sunglasses on an orange-and-white float, flashing a peace sign with swirling light pink water—perfect for summer vibes.

$4.95

Beach, Please! Greeting Card

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The Hi Rainbow Letterpress Greeting Card by Onderkast Studio features warm arches, a mustard semicircle in the top left, and “HI” in black on the bottom right. Includes a white envelope; A2 size.

$5.95

Hi Rainbow Letterpress Greeting Card

Squeeze the Day Lemonade Stand Greeting Card

$2.95 ~~$4.95~~

Squeeze the Day Lemonade Stand Greeting Card – FINAL STOCK

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The You Are Pretty Sunglasses Sticker Greeting Card by Onderkast Studio features YOU ARE pretty on thick white card stock, a colorful sunglasses vinyl sticker, uplifting words below, and comes with an envelope.

$7.50

You Are Pretty Sunglasses Sticker Greeting Card

The Lets Go Bananas Greeting Card – FINAL STOCK by Onderkast Studio showcases a lively scene of people on scooters dodging banana peels, set against a peach background—perfect for adding playful charm to any occasion!.

$2.95 ~~$4.95~~

Let's Go Bananas Greeting Card – FINAL STOCK

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$11.95

Book Club Banter Book Review Card Set

The Banana Girl Sticker by Onderkast Studio features a cheerful cartoon character in a banana costume, smiling with arms raised and one leg lifted. This playful, water-resistant vinyl sticker is perfect for adding fun to any surface.

$4.50

Banana Girl Sticker

Onderkast Studios Vacay All Day Greeting Card features a vibrant illustration of a woman relaxing on a striped beach towel, surrounded by sandals, sunhat, sunglasses, and tropical details—perfect for sharing vacation vibes.

$4.95

Vacay All Day Greeting Card

$4.50

Soft Rainbow Sticker

The Ray of Fucking Sunshine Pinback Button by Onderkast Studio features a playful sun illustration and comes on a branded card. Made in the USA, this humor pin makes a bold addition to any collection.

$3.50

Ray of Fucking Sunshine Pinback Button

$8.50

Pride Rainbow Refrigerator Magnet

$4.50

Spotted Sunglasses Sticker

The Pride Rainbow Pinback Button by Onderkast Studio features a vibrant rainbow design on a card with colorful onderkast PINBACK BUTTON text, plus website and MADE IN THE USA—perfect for celebrating LGBTQ+ equality.

$3.50

Pride Rainbow Pinback Button

The Girls Just Wanna Have Sun Greeting Card – FINAL STOCK by Onderkast Studio features diverse women in swimsuits swimming among bubbles and vibrant colors, with “Girls Just Wanna Have Sun” at the center. Shown resting on a white envelope.

$2.95 ~~$4.95~~

Girls Just Wanna Have Sun Greeting Card – FINAL STOCK

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Brighten any surface with the Onderkast Studio Kindness Costs Nothing Glitter Sticker, featuring glitter vinyl letters on a white background. The rainbow-colored kindness and nothing stand out, and weatherproof vinyl ensures long-lasting use.

$4.50

Kindness Costs Nothing Glitter Sticker

Onderkast Studio’s Pineapple Sunglasses Sticker features yellow, crisscrossed, pineapple-shaped frames with green leaves and dark-tinted round lenses—a fun, durable vinyl accessory for your tropical style.

$4.50

Pineapple Sunglasses Sticker

The Suns Out Buns Out! Greeting Card – FINAL STOCK by Onderkast Studio has a blue background with illustrated burgers, hot dogs, geometric shapes, and white center text: SUNS OUT BUNS OUT! for a premium feel.

$2.95 ~~$4.95~~

Suns Out Buns Out! Greeting Card – FINAL STOCK

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The Be Bright Be Happy Be You Rainbow Sticker Greeting Card by Onderkast Studio features a pastel rainbow and cloud design with vibrant lettering, includes a vinyl sticker, and comes with a white envelope.

$7.50

Be Bright Be Happy Be You Rainbow Sticker Greeting Card

$2.95 ~~$4.95~~

Chill Out Popsicle Greeting Card – FINAL STOCK

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The Go Bananas Sticker Greeting Card by Onderkast Studio features a dancing banana-costumed person on thick white card stock and comes with a matching vinyl sticker—just look for the arrow and VINYL STICKER INCLUDED! text!.

$7.50

Go Bananas Sticker Greeting Card

Sending Good Vibes Letterpress Greeting Card

$5.95

Sending Good Vibes Letterpress Greeting Card

The Onderkast Studio Pride Rainbow Button Magnet is a round white magnet with a simple six-color rainbow flag design, perfect for celebrating LGBTQ+ equality.

$3.95

Pride Rainbow Button Magnet

The Rainbow Button Magnet by Onderkast Studio features a minimalist design with three muted rainbow arches—tan, brown, and light blue—on a plain white background, offering a subtle yet vibrant symbol of inclusivity.

$3.95

Rainbow Button Magnet

The Rainbow Hello Greeting Card – FINAL STOCK by Onderkast Studio features rows of rainbow “L”s spelling “HELLLLLLLLLLLLLLLLLLLLLO!” above “LLO!” on a crisp white background for a premium feel.

$2.95 ~~$4.95~~

Rainbow Hello Greeting Card – FINAL STOCK

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The Shell Yeah Refrigerator Magnet by Onderkast Studio features vibrant, colorful seashell illustrations and the phrase SHELL YEAH in bold black letters, all set on a white background for a fresh, beach-inspired look.

$8.50

Shell Yeah Refrigerator Magnet

The Go ‘Merica! Greeting Card – FINAL STOCK by Onderkast Studio features a slice of cake decorated as an American flag with a candle and sparklers, plus “GO MERICA!” on a light blue background—perfect for celebrating American pride.

$2.95 ~~$4.95~~

Go ‘Merica! Greeting Card – FINAL STOCK

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The Go Bananas Button Magnet by Onderkast Studio features a whimsical banana costume illustration and playful go BANANAS text, with vibrant colors and star accents on a light beige background.

$3.95

Go Bananas Button Magnet

The Go Bananas Pinback Button by Onderkast Studio showcases a whimsical banana and go BANANAS text, packaged on a pink Onderkast pinback button card. Printed in the USA.

$3.50

Go Bananas Pinback Button

The Ray of Fucking Sunshine Button Magnet by Onderkast Studio is a round beige magnet with a stylized sun, neutral face, and “RAY OF FUCKING SUNSHINE” in bold black letters, vibrantly printed on a white background.

$3.95

Ray of Fucking Sunshine Button Magnet

The Shell Yeah Pinback Button by Onderkast Studio features a pink seashell and “SHELL YEAH” on a round button. Displayed on a blush card labeled onderkast PINBACK BUTTON, it’s perfect for ocean fans. MADE IN THE USA appears at the bottom.

$3.50

Shell Yeah Pinback Button

The Balloon Animal Refrigerator Magnet by Onderkast Studio features a pastel checkerboard background and a colorful balloon dog, perfect for adding a whimsical touch to any fridge or magnetic surface.

$8.50

Balloon Animal Refrigerator Magnet

The Rainbow Pinback Button by Onderkast Studio features a minimalist pastel rainbow design on a light peach card, reading PINBACK BUTTON and www.onderkaststudio.com, celebrating inclusivity. Made in the USA.

$3.50

Rainbow Pinback Button

The Girls Just Wanna Have Sun Refrigerator Magnet by Onderkast Studio shows women in swimsuits swimming underwater from above, surrounded by playful bubbles, with the text GIRLS JUST WANNA HAVE SUN on a light background.

$8.50

Girls Just Wanna Have Sun Refrigerator Magnet

The Onderkast Studio All We Have Is Now Disco Balls refrigerator magnet features three reflective disco balls on a dark purple background with retro elements, gold text, and star accents for a stylish, philosophical touch.

A white retro refrigerator with a metal handle and an Elektrosvit label is adorned with the Onderkast Studio All We Have Is Now Disco Balls Refrigerator Magnet, featuring a colorful philosophical message.

$8.50

All We Have Is Now Disco Balls Refrigerator Magnet

The Onderkast Studio Shell Yeah Button Magnet is a round white magnet with a pink conch shell illustration and SHELL YEAH! curved around it—perfect for ocean lovers and beach enthusiasts.

$3.95

Shell Yeah Button Magnet

The Onderkast Studio Beachball Button Magnet features a vibrant beach ball design in pink, blue, purple, red, and white segments, displayed on a plain white background for an eye-catching look.

$3.95

Beachball Button Magnet

Illustration of a woman in a white swimsuit and pink sunglasses, sitting in an orange and white lifebuoy making a peace sign, with BEACH, PLEASE! text—perfect coastal decor as the Beach Please Refrigerator Magnet by Onderkast Studio.

$8.50

Beach Please Refrigerator Magnet

$4.95

Good Vibes Only Surfer Greeting Card

The Beachball Pinback Button by Onderkast Studio features a vibrant beach ball design on a round button, attached to a peach-colored card reading “onderkast PINBACK BUTTON” and “www.onderkaststudio.com MADE IN THE USA.”.

$3.50

Beachball Pinback Button

Onderkast Studios Sunglasses Refrigerator Magnet features vibrant prints of three sunglasses—black rectangular, pink heart-shaped, and brown tortoiseshell round—on a light background, perfect for magnetic display.

A postcard of three sunglasses—black, pink heart-shaped, and tortoiseshell—pairs with the blue Onderkast Studio Sunglasses Refrigerator Magnet reading Elektrobit for a vibrant display on a white fridge.

$8.50

Sunglasses Refrigerator Magnet

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