Berg Inground Favorit trampoline edges are robust and durable edges that guarantee safe spring fun for years. The protective edges are made of wear-resistant and weatherproof PVC. The average lifespan is 6 to 8 years. The edge is 38 cm wide and 10/20 mm thick, providing additional safety and covering the springs. At the end, the inground edge features a protective net to close off to the ground for safety reasons.