Material: The clip is made of ABS material and has been thickened, which makes it more durable than ordinary clips and can be used for a long time. Non-slip striped: The clip has a Raised stripe design that won’t slip when pressed or hurt your hands during use. It is simple and safe to use. Reusable: This clip has strong wind resistance, will not be blown away, can be used repeatedly, can be adjusted as you like, and has strong flexibility. Versatile: This film clamp is suitable for pipes with a diameter of 11 mm Suitable for the construction of greenhouses, cold frames and row covers, can be used directly to create shelters, banner frames, quilting frames, shed extension film frames, etc. Scope of delivery: 1 bag (40 pieces) 1 * 11mm single head film loop 40pcs Can be attached to any plastic pole or metal pipe with 11mm OD. Designed with a convex surface, won’t slip when squeezed, the surface is shiny and solid.