ITEM NAME:5pcs Black DIY ABS Storage Box Holder Case For Li-ion 18650 3.7V Battery 2 F9Z7 5pcs Black DIY ABS Storage Box Holder Case For Li-ion 18650 3.7V Battery 2 F9Z7 Material:ABS Color: Black Made of ABS material, lightweight, convenient to carry Easy to install You can use this case with your own battery to form power system supply Size: 1x 18650 Case Holder Approx. 78x21x24mm Package Contents: 5 x Battery Case Holder (Battery Is Not Included!) Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.