The colors of the lifting belt are divided into white and colored, with the best quality already colored. The shape of an is divided into flat and circular. Its main synthetic material is synthetic fibers. His safety factor is 6-7 times.

　　The colors of the colored bags distinguish the tonnage: 1 ton of purple, 2 tons of green, 3 tons of yellow, 4 tons of gray, 5 tons of red, 6 tons of brown, 8 tons of blue, and the larger tonnage is orange.