1 and Xishang brand flat rubber band have good resilience, small deformation, no force, good wear resistance and fast resilience. West is an outdoor brand, mainly engaged in slingshots, slingshots, children's bows and arrows and other products.

2. The brand of imported flat rubber bands presas' third generation flat rubber bands is good, and presas' flat rubber bands are of good quality and stability. Generally speaking, the stretch ratio of flat rubber band is determined by thickness and temperature. Generally speaking, the finer the drawing ratio, the higher the drawing ratio, and the drawing ratio of presas is still full of elasticity from 5 to 7.5.