550PCS 18650 Lithium Battery Insulator Rings, Green

PRODUCT TYPE: 18650 lithium battery insulator ring, highland barley paper with adhesive backing; | PRODUCT SIZE: Outer ring diameter: 17.8mm(0.7"). Inner ring diameter: 10.5mm(0.41"). Thickness: 0.2mm. | ADVANTAGES: Enhance the safety of your 18650 lithium batteries with our insulator rings. Waterproof, Heat-resistant, Crafted from highland barley paper with adhesive backing. Easy to peel and paste. | ADVANTAGES: Battery insulator rings offer good insulation, wear, corrosion, and tear resistance. Specifically designed for 18650 batteries. prevent short circuits. | PACKAGE INCLUDES: 550PCS 18650 lithium battery insulation ring.