Features: 100% brand new and high quality. The edge has card slot which can be freely stitched. This product is of small body which you can store easily. There are 100 pieces which is enough number for you. Suitable for 18650 Li-ion battery. Specification: Material: Plastic Model: 18650 Main Colour: Black Size: 22 x 22mm/0.8" x 0.8"(L*W) Inner Dia: 18.4mm/0.72inch Package included: 100pcs 18650 Battery Holder Note: Please allow 1-2cm errors due to manual measurement. Battery Size 18650 Brand fangkai MPN Does Not Apply Product Type Battery(电池)(Not Included) Type Battery Holder Unit Quantity 100pcs .