Features:_x000D_ _x000D_ One battery case is for two 2*20700/21700 batteries. _x000D_ It is non-waterproof. _x000D_ Made of high quality material, which helps protect battery. _x000D_ The battery box container is solid and durable. _x000D_ Material is environment friendly. No pollution to environment. _x000D_ _x000D_ Specification:_x000D_ Product type: Battery Box_x000D_ Material: ABS_x000D_ Suitable: For 2*20700/21700 battery_x000D_ Capacity: 1 box for 2 batteries_x000D_ Package size: approx. 9 * 8 * 2.5 cm/ 3.5 * 3.1 * 1.0 in_x000D_ Package weight: 28g/ 1.0oz_x000D_ _x000D_ Package List:_x000D_ 2 * Battery Boxes_x000D_ _x000D_ _x000D_ Note:_x000D_ The battery can support a battery with a maximum diameter of 21mm and a length of 700mm. If the battery is added with a circuit board/battery skin, it is not applicable. "Please purchase according to the size specification. 1One battery case is for two 2*20700/21700 batteries. 2It is non? waterproof. 3Made of high quality material, which helps protect battery. 4The battery box container is solid and durable. 5Material is environment friendly. No pollution to environment.