"A versatile hydration solution for outdoor adventurers, the HydraPak Seeker 3L Water Bag gives outdoorsmen and athletes ultralight water storage for outdoor fun. Made of lightweight, synthetic materials, this 100% BPA and PVC free soft-side water bag makes it easy to bring along 3 liters of water. A collapsible design, the Seeker folds or rolls up compactly for easy packing in its included storage bag. The ultra-durable, abrasion-resistant reservoir bag features RF welded seams for superior durability and elasticity. Versatile bag can be used as a water bottle or hydration reservoir, with 2 load bearing side lash points that let you attach the bag in your pack or set up a gravity feed. This bag also features a low-profile, rubber-coated handle for controlled pouring and easy carrying. The leakproof 42mm screw cap with tear resistant, removable tether works with 42mm threaded backcountry water filters or can be paired with a Plug-N-Play Cap and 28mm filter adapter (not included). 14.6""L x 5.2""W. 3.2 oz.Manufacturer model #: A823M. Versatile hydration solution for outdoor adventures 100% BPA and PVC free soft-side water bag 3-liter capacity Works as a water bottle, hydration reservoir, or gravity feed water source Ultra-durable, abrasion-resistant TPU bag with RF welded seams Leakproof 42mm screw cap with tear resistant, removable tether Works with 42mm threaded backcountry water filters Can be frozen or filled with hot water (max temp 60 C/140 F) Can be paired with a Plug-N-Play Cap and 28mm filter adapter Low-profile, rubber-coated handle on side"