Outfitter Warehouse OW Hydration Water Bladder with Cleaning Kit | Your #1 Best Choice - Soft Bite Mouth Piece and Insulated Tube - On-Off Valve Switch for Backpacks - 2L & 3L Hydration Water Bladder Bag with DURABLE and QUALITY Material. Compare With CAMELBAK and PLATYPUS - 100% Leak Proof Design to make any sportsman Happy IMPORTANT NOTE: Only 3L model includes cleaning kit. All models have BIG OPENING - EASY TO CLEAN - This water pack comes with a large opening to make cleaning easy. Also makes it easy to drop in ice cubes SOFT BITE MOUTHPIECE - Simply Bite and suck to get a cool drink from this soft designed mouthpiece. Also comes with on/off valve for added protection from leaks. INSULATED TUBE - Keeps water in the hose protected from the hot day so your water stays cold all the time. The insulation also keeps the hose protected for a long life span 100% GUARANTEE REFUND - We know You'll love this but if you have any issues we'll give you FULL refund!