DIY Battery Pack PVC Heat Shrink Wrap Tube, Black 150±3MM Flat Width 3M Length for Big Battery Pack Power(If You are not Sure What Size You Need, Pls Email to me When
Amazon.com: uxcell Battery Wrap PVC Heat Shrink Tubing 50mm Flat Width for 18650 5 Meters Length Clear: Home Improvement
Amazon.com: Clear Battery Heat Shrinkable Tubing,3m (1Roll) of 0.15x250mm Battery Pack Wrap Heat Shrink Sleeve for 18650 21700 AA AAA 18500 20700 26650 Battery Pack: Home Audio & Theater
10Pcs Apple Green 18650 Battery Sleeve PVC Heat Shrink Tubing Shrink Wrap Length 72mm Flat Width 29.5mm (10Pcs, Apple Green): Amazon.com: Industrial & Scientific