This miniature bottle keychain from 3D Print Co is one of TikTok's most popular keychain trends, with over 25,000 sold. Standing about 4 inches tall and 1 inch in diameter, it's a tiny replica of a trendy water bottle — but the twist-off cap actually works, turning it into a functional storage container for lip balm, Advil, Q-tips, hair ties, or even small jewelry.
 
Every keychain is designed in-house and 3D printed with durable PLA plastic in our Ohio workshop, then hand-assembled piece by piece. It's lightweight enough to clip onto any bag, backpack, keyring, or lanyard without adding bulk.
 
At $9.99, it's one of the best affordable gifts for girlfriends, teens, best friends, coworkers, or anyone who loves cute, practical accessories. It's also a great stocking stuffer, birthday gift, or "just because" surprise. Available in 5–10 color combinations that rotate regularly — once a color sells out, it may not come back, making each one collectible.
 
What can it hold? Lip balm, chapstick, Advil or small pills, Q-tips, bobby pins, hair ties, earbuds, small candy, beads, or tiny notes.
Why customers love it: Rated 4.7 stars across hundreds of reviews. Over 25,000 units sold on TikTok Shop. Customers say it's their favorite keychain they've ever owned — cute enough to collect, useful enough to actually use every day.
 
Frequently Asked Questions:
What is this made of? Durable PLA plastic, 3D printed and hand-assembled in Ohio.
Is this an official Owala or Stanley product? No — this is an original 3D Print Co design inspired by the trendy water bottle aesthetic. It's not affiliated with any water bottle brand.
How big is it? About 4 inches tall and 1 inch in diameter. Small enough for a keyring, big enough to actually hold things.
Does the cap really come off? Yes! The cap twists off so you can store small items inside.
Is this a good gift? Absolutely — it's one of our best sellers as a gift for girlfriends, teens, and best friends. Under $10 and ships fast.