Top off your CamelBak water bottle with Pak Cap's hidden hauling capability and carry handle. Conveniently store snacks, vitamins, or any other small essentials in the top half of the twist-to-open cap. Leak-proof when closed and easy to clean. Compatible with MultiBev, Chute Mag, Eddy, Carry Cap, and Hot Cap vessels. BPA, BPS, and BPF free and dishwasher safe.