Gators 20oz Tumbler Double wall stainless steel. Comes boxed with a straw. Designed for those who demand both quality and individuality in their drinkware, these tumblers are your ultimate companion for every occasion. Premium Quality Materials: Made from high-grade, BPA-free stainless steel, ensuring durability and longevity. This tumbler is resistant to rust, corrosion, and are safe for everyday use. Superior Insulation: Featuring double-wall vacuum insulation, these tumblers keep your beverages at the perfect temperature—hot drinks stay piping hot for up to 6 hours, and cold drinks remain refreshingly chilled for up to 12 hours. Leak proof lid. We recommend hand washing only. Do not microwave.