★【3:1 SHRINK RATIO】 - Recovers to 1/3 of its original diameter, and makes a tight seal. Eliminates the problem of 2:1 tubing not shrinking tight enough.
★【GLUE INSIDE】 - When heat is applied, adhesive comes out and seals the connection, creating waterproof and long-lasting insulation.
★【VARIETY OF SIZES】 - We have included 7 most commonly used diameters ranging from 3/32" to 3/4". Shrink tubing is precut to 3.5 inches.
★【DUAL WALL TUBING Safe & ECO-Friendly】 - Outer wall provides abrasion resistance. Inner wall creates waterproof seal and strain relief.Protect you and your family.
★【EASY and Wide Applications】 - Simply slide heat shrink tube over your connection point and apply heat. Professional connections made in seconds.Our waterproof heat shrink tubing can be used for solder point protection, reinforcing earphone and mobile charging cables, LED filament maintenance, RC aircraft, vehicle maintenance, eyeglass temples, and headband DIY.