Product Specs: Material: BPA-free Tritan, safe silicone nozzle Capacity: 21 oz (1.5 water bottle) Insulation: 6-layer, vacuum insulated Features: Easy open button, safety lock catch, detachable body, silica gel protective sleeve, sealing ring Design: Ergonomic, shatterproof Carrying Method: Lanyard Description: The Astronaut Straw Round Bottle offers safe, convenient hydration with its BPA-free Tritan material and ergonomic design. It features shatterproof construction, a silica gel protective sleeve, and a 6-layer vacuum insulation for superior temperature retention. The easy open button, safety lock catch, and detachable body make it user-friendly and easy to clean. Perfect for hot or cold drinks, it includes a leak-proof sealing ring and a food-grade silicone nozzle. The carrying lanyard ensures portability for any adventure.