Knotted climbing net is made by hand, and the mesh size can be suitable for children(15*15cm)or for adults(25*25cm).And our climbing nets are made with polyester materials with high breaking strength: more than 1 tons, and our polyester materials is with high UV resistance, suitable for outdoor use, durable and long-lasting, so kids can enjoy a fun, challenging play experience for years to come.Besides, we also have the climbing webbing net, which is also very durable, and we can supply samples for you to test.