Features:One battery case is for two 2*20700/21700 batteries.It is waterproof.Made of high quality material, which helps protect battery.The battery box container is solid and durable.Material is environment friendly. No pollution to environment.Specification:Product type: Battery BoxMaterial: ABSSuitable: For 2*20700/21700 batteryCapacity: 1 box for 2 batteriesPackage size: approx. 9 * 8 * 2.5 cm/ 3.5 * 3.1 * 1.0 inPackage weight: 28g/ 1.0ozPackage List:2 * Battery Boxes