Size: dia.13.8*h9.2cm Material: bamboo, stainless steel, rubber, plastic Usage: The main part of this airtight canister is made of 100% natural bamboo. Bamboo is one of the fast growing plant in the world and become mature plant just in couple years. It means bamboo is a sustainable resource. It is perfect for storing small things ,such as tea, candies ,beans, etc. It also can be regarded as home decoration. It gives people a feeling of low carbon and environmental protection . Packing: 45pcs/ctn, or as your requested Certificates: ISO9001,SGS,FSC