Our 7x7 Commercial L Frames are made with a Heavy Duty 2mm 1 1/2" Powder Coated Steel Tubing for extra strength and safety. Its unique inter-locking design allows for easy movement and storage. The netting is made from our UV protected #45 Poly netting with a double layer pillow case style which allows for the netting to be easily pulled over the frame. No lacing required!