Water bottles comes in two sizes, offering easy, insulated, on-the-go hydration; double-wall design keeps beverage cold on hot days * Flexible walls make for lightweight, easy-to-squeeze bottle; handy carrying strap makes it simple to carry or clip onto backpack, purse, or belt loop * Constructed of low density polyethylene (LDPE #4), a durable, lightweight, and FDA food-grade approved material; BPA- and phthalate-free * 20-ounce bottle has 132-gram weight, nine-inch height, and 2.95-inch diameter; 24-ounce bottle has 144-gram weight, 10.5-inch height, and 2.95-inch diameter * Includes limited lifetime manufacturer"s warranty; made in the USA