Single-use plastic who? Stainless steel is super durable, 100% recyclable, and produces zero toxic run-off during production. Ours is double-wall insulated, meaning it will keep your drinks cold for 24 hours or hot for 12. Equipped with a stainless steel straw and silicone bendy tip. * BPA-free. *100% stainless steel. * 8" H x 3" W * Hand wash * Made with love in China