LocknLock Metro Mug 16 oz is versatile and dependable. Made out of non-toxic, BPA free, lightweight, rust-resistant, and premium grade 18/8 stainless steel. Double-wall vacuum insulation keeps drinks cold as low as 47°F up to 18 hours and hot as high as 140°F up to 3 hours. Convenient swing lock and lid with silicone gaskets prevent spills and maintains ideal temperature. Attached handle provides firm grip. Non-slip silicone bottom reduces noise and easily grips onto flat surfaces. Durable and beautiful exterior powder coating resists against scratches, cracks, and peelings. Perfect for campfires and library study sessions. Available in 16 oz Navy, Mint, and Off White.