Each set includes 12 transparent panels (12"" x 16"") and 12 (12"" x 12""), plus 50 nylon cables, 36 connectors, 24 non-slip mats, 1 wooden hammer, and a user manual. This small animal playpen provides a spacious, secure area for furry friends to play and exercise. Made of lightweight, durable plastic, it s easy to Diy: customize into any shape, move, or disassemble as needed. The semi-transparent design lets you observe pets from all angles, keeping them contained without mess panels clean easily with a damp cloth. Nylon ties stabilize the pen, while non-slip mats prevent sliding and protect floors-pets can t easily move it. Ensure stability by fully tightening connectors, reinforcing with the wooden hammer, tying panels with zip ties, and following the manual. Available sizes: 12 Panels - 48""L x 24""W x 16""H, 20 Panels - 48""L x 24""W x 16""H, 20 Panels- 48""L x 24""W x 16""H, 24 Panels - 48""L x 24""W x 28""H. Available colors: Black, Transparent, White