Product Description Specifications External auxiliary battery made in a combination of bamboo and wheat straw. Features: Cylinder shpae power bank made from wheat straw and bamboo With 4,500 mAh charging capacity and an original cylindrical design. With Type C input/output connector + USB output. Presented in an individual box of eco design in kraft cardboa Decoration Position: Centred on either the wheat straw or bamboo surface 10mm x 40mm laser engrave or pad print Print Size: Centred on either the wheat straw or bamboo surface 10mm x 40mm laser engrave or pad print Product Materials: wheat straw and bamboo Material: Bamboo Capacity: 2,500 - 4,999 mAh Eco Factors: Natural Material Material: Wheat Straw