The Thor 40oz Eco-Friendly Straw Tumbler features durable double-wall construction to keep your beverages hot or cold in any environment. Food-grade recycled straw is included for easy reuse daily. The Thor has a 40oz capacity for fewer refills and features a slim base that fits into most cupholders, a comfortable carry handle, and a splash-proof press-on lid with two openings and a swivel closure, friendly to both sippers and chuggers! Hand wash only.