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capCAP is the civilized 2-in-1 accessory cap for Nalgene, CamelBak & other popular wide-mouth drink bottles.

Most wide-mouth bottles are easy to fill and clean, but the standard opening is too big to drink from easily without spilling. Narrow-mouth bottles are great  to drink from but you can forget about putting ice cubes in them, let alone clean them. And bottle inserts don't really fix a spout that was never meant for daily drinking.

capCAP offers the best of both worlds.

Drink spill-free through the small spout, and clean and fill with ease with the large cap. The rubberized small cap (available in green or blue) is easy to grip, even with gloves on. And the wide, rounded strap is more comfortable to hold.

capCAP is 100% Polycarbonate-free and 100% BPA-free. Both caps are made with FDA-approved food-safe polypropylene (#5) plastic.

Want to take a closer look? More photos of both capCAPs are on our media page.

Humans have noses:

capCAP makes room for 'em!

Humans have soft fingers:

Wider, rounded strap is comfy.

capCAP: Finally, a water bottle cap for humans.

Patent-pending

What Bottles Does it Work On?

Is your capCAP hard to screw onto your bottle?

Read some in-depth, 3rd-party reviews.

capCAP specs:

Opening size: 63mm

Weight: 1.4 oz. (40g)

Dishwasher-safe (top rack)

Humans like blue.

Voila!