Measurements are for flat width, you can double flat width size to find the circumference of the tubing, you can also divide the circumference by 3.14 to find the diameter.

This heat shrink tubing is perfect for protecting your RC or ebike batteries. It has a 2:1 shrink ratio and comes in a blue colour. The tubing is specifically designed to wrap around battery packs providing an extra layer of insulation and protection against damage.

Can shrink with a hot air gun, or good quality hair dryer works very well. If using hot air gun / heat gun then be sure to move heat gun in back and forth motion and a distance of 15cm to insure even shrinkage. Not suitable for shrinking with flame / lighter.