Cheap And Discounts 17mm ~ 80mm 18650 Lithium Battery Heat Shrink Tubing PVC Shrinkable Film Tube Sleeves Li-ion Wrap Cover Skin Insulation Sheath Wholesale. Buy Directly From Merchant Freibo Tech Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.