Material:  inside is 304 Stainless Steel, outer bamboo shell.

Keep cold and hot beverages .

Keep hot for more than 12 hours , keep warm for more than 24 hours

Environmental friendly , non toxic 

Treated Bamboo anti bacterial and anti fungus 

Capacity: 420 ml

Size: 20.8CM X 7CM ( HEIGHT X DIAMETER )

With  304 stainless steel diffuser inside

Can print or engrave on body and cover of bamboo flask

Available in other capacities for pre-order.