KEEPS DRINKS COLD FOR 8 HOURS: 40 oz size the Gorilla Grip water bottle is constructed from heavy duty stainless steel and features double wall vacuum insulation to help keep drinks cold for up to 8 hours DURABLE LEAKPROOF LID: easy twist threading on the lid creates an airtight seal with the water bottle; silicone gasket on the underside of the of the lid helps protect against leaks through the straw FLIP LID WITH SILICONE STRAW: lid flips open to reveal a built in straw for easy sipping; silicone straw detaches for rinsing and cleaning; lid features an easy carry handle for we on the go use DENT AND RUST RESISTANT, HEAVY DUTY STAINLESS STEEL: third party tested insulated water bottle is BPA free and safe for food contact; extra durable construction resists denting and rusting for long lasting use; dishwasher safe for a fast clean
