SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder SPEEDO Sport Water Bladder Hydration bladder holds 2 liters of water. Bite valve has a 3-piece mold injection providing smoother water flow. Screw-in hose system prevents hose from leaking. Made of TPU (Thermoplastic Polyurethane) film. FDA Tested, FDA Approved. Works with our Sport Backpack and Sport Sling Bag. Size: 17' x 6 1/2". Import.