Feature: 1.Unique design, let a little thing not messy. 2.Prevent loss of battery, collide with each other cause a short-circuit. 3.Folding shape, facilitate storage battery. 4.Elegant small, surgical structure accord with double margin of safety requirements. 5.Also can cultivate the habit of children pick up love clean. Specification: Applicable objects: 18650/16340, CR123A Color: transparent white Size: can pack 2 section 18650 Material:PP Package included: 1Pcs Battery Case（Batteries not included） Note: 1.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!