The Sonik Sizzla Thermal Mug is built from high food grade 304 stainless steel with a tough powder coated finish, making it a durable choice for keeping drinks hot while out on the bank. Its double walled vacuum insulation provides maximum temperature retention, while the BPA free clear lid features a slide sip opening and dual rubber seal to help prevent spills. A large side grab handle makes it easy to hold, even with cold or gloved hands. - Capacity 400ml