Features: <br> <br>One battery case is for two 2*20700/21700 batteries. <br>It is non-waterproof. <br>Made of high quality material, which helps protect battery. <br>The battery box container is solid and durable. <br>Material is environment friendly. No pollution to environment. <br> <br>Specification: <br>Product type: Battery Box <br>Material: ABS <br>Suitable: For 2*20700/21700 battery <br>Capacity: 1 box for 2 batteries <br>Package size: approx. 9 * 8 * 2.5 cm/ 3.5 * 3.1 * 1.0 in <br>Package weight: 28g/ 1.0oz <br> <br>Package List: <br>2 * Battery Boxes <br> <br> <br>Note: <br>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.1、One battery case is for two 2*20700/21700 batteries. <br>2、It is non? waterproof. <br>3、Made of high quality material, which helps protect battery. <br>4、The battery box container is solid and durable. <br>5、Material is environment friendly. No pollution to environment.