100% Leak proof: To drink, simply push the snap lock upwards and the ergonomic opening to drink is released, press down the closure and the cup is absolutely leak-proof again. High quality insulation: Thanks to the double-walled vacuum insulation, the stainless steel mug keeps the temperature constant for hours; drinks stay hot for up to 6 hours or cold for up to 12 hours. Clever design: 470 ml insulated mug made of robust stainless steel with BPA-free plastic lid; fits comfortably in one hand thanks to rubberised soft-grip surface, ideal for enjoying coffee on the go. Easy to clean: The dishwasher-safe lid can be opened completely for easy cleaning (no individual parts that can be incorrectly assembled); body can be easily cleaned by hand. Ideal for travel: Insulated stainless steel mug for home or on the go, fits in most common cup holders; size 8.3 x 8.0 x 18.3 cm; capacity 470 ml; weight 296 g.