The HydraPak Contour hydration reservoir is designed to fit most backpacks thanks to a wide range of clips, hooks and loops. Hydrating is easy due to the lightweight, self-sealing Comet Bite Valve that can be opened and locked with one hand. The internal drying tab means the reservoir can be reversed for deep cleaning and complete drying. A great addition to a wide range of tramping, mountain biking and cycling adventures! Universal Hanger - Compatible with clips, hooks & loops in a wide range of packs Comet™ Bite Valve - Lightweight, self-sealing valve can be opened & locked with one hand Grab Handle - Soft touch flexible handle simplifies filling & carrying Slim Profile - Shape-loc baffles create a low reservoir profile & increase stabilisation during activities Reversible - Use the internal drying tab to reverse the reservoir for deep cleaning and complete drying Magnet Clip - Attaches to reservoir tube and can be paired with your pack of choice for easy access Plug-N- Play® Connect System - Lets you easily disconnect the drink tube from the reservoir for easy filling Ultra-durable - Made from abrasion resistant TPU & RF welded seams for superior durability and elasticity 100% BPA & PVC Free - Wide working temperature range (can be frozen max temp 60°C / 140° F) Specifications Capacity: 2L Weight: 142g Dimensions: 370mm x 191mm