Built for the beach, lake, tailgate, and beyond
No Spills. Cold Drinks. Good Times.
Turn your Colster into the ultimate outdoor drink companion.
Upgrade Your Colster →
Why Colster Cap?
Small Cap. Big Upgrade.
Spill Resistant
Helps protect your drink from bumps, splashes, and outdoor chaos.
Keeps Drinks Colder
Designed to help your Colster do what it does best: keep drinks cold.
Screw-On Design
Twist it on, lock it in, and take your drink wherever the day goes.
Fits 16oz Colsters
Made to upgrade your 16oz Colster for beach, lake, and tailgate days.
Made for wherever the day takes you
Built For Every Adventure
Beach Days
Keep your drink cold, your sand out, and your beach days worry-free.
Lake Days
Perfect for docks, boats, floats, and long afternoons on the water.
Tailgates
Built for game day. Move around, celebrate, and enjoy the party without babysitting your drink.
Campfires
Cold drinks. Warm fires. Good company. The perfect end to the day.
Trusted by people who live on the go
Trusted By Good People
Neal McCoy
I’ve been on stage a long time, and this is the first thing that keeps my drink cold through the whole set. Love it.
Lauren Alaina
I take Colster Cap everywhere—backstage, in the car, even at the gym. It just works.
Eric Blankenship
We built this thing to solve a problem—and now I can’t go without it.