Features: 1.Quantity You will get three sports water bottles. The water bottle is available in 4 colors to share with your partner during a hike. 2.Size Flat size8.90inX5.04in,Standing Size:8.90inX4.21in,Roll it up to a minimum size5.04inX2.99in,Can hold 700 ml or 23.67 ounces of water or any drink you like.Dimensions are measured manually, with an error of 0.39 to 1.18 inches. 3.featuresThis water bottle is make of high quality PET/PA/PE,BPA free, non-toxic, ultra-lightweight, portable, reusable, durable . Each collapsible water bottle is equipped with a clip, which is designed to connect the water bottle to a bag, bicycle or belt, making the whole trip easier to carry and less easy to lose. The water bottle have a super flip cap. The hat has a hard seal and is easy to open. hat allows you to remain active without fear of spills or leaks. 4.UseSimply unscrew the super cap from the bottle to reveal the wide opening. perfect for filling and cleaning your bottles.Can be refrigerated in the refrigerator, not because of freezing deformation damage, can be used as ice bags, cold compress, pay attention not to hot water. 5.Using tips:Before freezing, inject 1/2 of the water into the water bag, not more than 2/3 of the water (to prevent the water from expanding when it freezes, breaking the water bag). After freezing, fill the water bag with normal temperature water so that you can drink frozen water.