Colster Cap

Colster Cap is a spill-resistant screw-on lid designed specifically for 16oz Colsters. It transforms your favorite drink holder into a more secure, adventure-ready tumbler by helping reduce spills and keep drinks colder for longer.

Whether you’re at the beach, lake, tailgate, campsite, boat, or backyard barbecue, Colster Cap helps you spend less time worrying about your drink and more time enjoying the moment.