The CamelBak Magnetic Tube Trap is a handy accessory that is compatible with any CamelBak reservoir. The Magnetic Tube Trap lets you stow your drinking tube in one easy click so you can drink without taking your eyes off the trail. Features: Tube rotates while magnet stays in place Separates into two pieces Self-sealing magnet snaps back into place Fits all 20mm (3/4") webbing