The Stainless Mug features a lightweight design for added portability. The tight fitted flip-open lid with a safety lock makes drinking from the mug easy and prevents beverages from spilling. • Stainless steel vacuum insulation keeps beverages hot or cold for hours • Non-stick coating • Safety lock prevents accidentally spilling • Stopper disassembles for thorough cleaning • Made of BPA-free plastic and stainless steel • Size (width x depth x height): 8.0cm x 8.0cm x 29.0cm • Heat retention: 78°C @ 6hrs • Cold retention: 8°C @ 6hrs •