... 1.Manufacturers to Hi-Q,High rubber content 2.Use Malaysia Rubberflex latex,high elasticity 3.Applicable ... 3.Material: Use Malaysia Rubberflex latex manufacturing,Life for 2-3 years,washable,good resilience;Polyester thread use ... per machine.5.Width:3-89mm6. Thickness:Normal:2*2,Thicken:3*3,Extra thick:4*47.Pulling: ... belt, stretching can reach 30cm, namely the opening for 1:3.0, which is detected by an ...