3:1 Thickened Dual Wall Industrial Heat Shrink Tubing Adhesive Lined Sleeve for Automotive Electrical Wires Marine Waterproof

3:1 Large size thickened industrial heat shrink tubing Dual Wall Adhesive Lined – Shrink Tube Cable Sleeve for Automotive and Electrical Wires – Waterproof Marine Heat Shrink Tubing Wire WrapShrink to 1/3 of its original diameter,double wall lined with glue inside for a marine grade waterproof seal, with anti stick tape no tacky interior,Diameter 1" (25.4 mm)，1.18"(30mm),1.57"(40mm),1.97"(50mm).Length:39.37 "(1 m).DOUBLE WALL TUBING - Take out the anti-adhesive paper inside then apply heat, adhesive comes out and seals the connection, creating marine grade waterproof insulation, corrosion resistance water & oil proof, VW-1 Flame Retardants, High temperature resistance 3/1 shrinkable glue inside wire.