BAMBOO OUTSIDE, STAINLESS STEEL INSIDE: It looks great and has a distinctly elegant look. It is also comfortable to hold. Food grade stainless steel inside, you can be assured to use it safely.

RUBBER SEAL RING AND FOAM PAD: Rubber seal ring to keep your coffee or tea hot for longer and prevent leak. Foam pad to prevent mug from sliding. 

EASY TO CARRY AND CLEAN:This fit in a cup holder when you go to work or travel and it is easy to wash by hand, but not dishwasher.

Colour: wood colour silver

Material: bamboo stainless steel