Features1Made of fine quality TPU, safer to use. 2Fall resistant, not afraid of crushing. 3The drinking nozzle makes it more convenient to drink water, and it is equipped with a dust cover, which is more hygienic. 4It can be filled with boiling water at 100. 5The extended straw is optional and can be used as a spare straw.SpecificationThis water bladder is made of food grade TPU material, which will reduce the shape as you drink, replenish water during exercise and it will not increase the carrying burden.Features:Made of fine quality TPU, safer to use.Fall resistant, not afraid of crushing.The drinking nozzle makes it more convenient to drink water, and it is equipped with a dust cover, which is more hygienic.It can be filled with boiling water at 100.The extended straw is optional and can be used as a spare straw.Specifications:Type: with Spare Extended Straw, without Spare Extended Straw(optional)Capacity: 500mlMaterial: TPU+PP+TPEItem size: 240 * 58 * 58mm / 9.4 * 2.3 * 2.3inExtended straw length: 275mm / 10.8inItem weight: 36g / 1.3ounceExtended straw weight: 27g / 1.0ouncePackage size: 250 * 60 * 50mm / 9.8 * 2.4 * 2.0inPackage weight:37gPacking List:1 * Water Bladder1 * Spare Extended Straw (optional)Package List1 * Water Bladder1 * Spare Extended Straw (optional)