Can be used to attach shade cloth, hail net, bird net, etc to structures Available in many different colors and have a hole near in the middle so they can be attached to steel or wooden structures. One can also thread a string through the clip to tighten the shade netting. Available in four different colors, can be used with different colors of the net. Various packages are suitable for home and farm use. 1. Made of 100% Virgin Polyethylene, and Inodorous. 2 Can be used with any knitted fabric with mesh, the max thickness of the fabric is 2.5 mm. 3. Allow max dia.10 mm rope or cord to thread. 4.Can be reused. Use a plier and a large flat screwdriver to open the clips. 5. 5 long prongs and 2 short prongs on the clips, and the short one is only for fixing position. PACKAGE INCLUDE: 20/50/100 * Shade Cloth Heavy Duty Lock Grip