Material: The surface of this edge cover is made of sturdy and waterproof PVC.The middle is padded with foam.The bottom is PE.In addition, the cover is resistant to corrosion, weather and tearing. Universal use: indoor or outdoor trampoline.It also defies UV light.All this ensures a long life.Attachment Straps: Hidden straps make it easy to attach the border to the frame frame. Easy Cleaning: The spring cover is easy to attach and remove.The surface is made of weather-resistant and water-repellent PVC for easy cleaning. Optimal protection: prevents injuries when falling on the springs or over the edge.This helps prevent accidents.The edge cover ensures optimal protection, especially for your children. Internal foam: expanded polyethylene, 30 kg/m3, light, increased flexibility and shock absorption, comfortable, safe and resistant.Easy to install： With practical and easy to attach strips.Superior quality spring protection pad, easy to install.