Jaypee Insulated Leakproof Coffee Mug is made up of 304 stainless steel, Inner copper coating for better temperature retention. Insulated technology keeps beverages hot or cold for hours Jaypee vacuum stainless steel insulation Mug Designed to fit snugly into your backpack or your car's glass holder, Snap & Sip keeps you hyderated and active through travel, ensures the temperature and let you enjoy delicious drinks anytime. These Travel Coffee mug made of high quality stainless steel, durable and prevents the increase of bacteria, keeps drinks odour free; Anti-slip with protective design which prevents the mug from falling.