VACUUM INSULATION: The FGA Tumbler is double-walled vacuum insulated, which keeps your favorite beverage hot for 4 hours and cold for 12 hours. The Anti-Sweat design ensures the pleasant holding, and the long-lasting powder coating avoids scratches. Hand Wash Recommended. PREMIUM QUALITY: The FGA Tumbler is made from high-quality, food-grade 18/8 stainless steel which is unbreakable and durable. Electro polished inside doesn't transfer flavor and rust-proof, which delivers an elegant look and gives you a clean and hygienic drinking experience. DESIGNED LID: The clear shatter proof slide lid is made from BPA FREE plastic which is completely non-toxic. The tight food-grade silicone seal helps prevent splashing and spilling. The press-in lid is also fast and simple to use. A wide-mouth openin