Makes it easy to open or seal your bottle without removing or twisting your hose.
Accepts both industry standard hydration hose sizes, 7mm or 1/4".
No need to fill up your backpack with a bulky bladder. Your Nalgene can ride on the outside.
Fits 63mm Bottles
Fits Camelbak Chute (all sizes), eddy, Podium, Peak, Reign; Nalgene wide mouths including 32oz, Silo (48oz), OTG, OTF, Draft, Stainless Steel and even the 64oz square!