Stable And Durable These high-quality volleyball nets are made of PE mesh, 420D Oxford fabric, fiberglass poles, metal base. Can be used in all weather and withstand impacts. The metal base prevents the net from tipping over and supports your intense games. Suitable for use on grass, sand, gym floors and concrete. Adjustable Height For All Ages And Skills The freestanding volleyball training net can be easily adjusted a height of 8' for men, 7'8" for official coad, and 7'4" for women. 3 sizes accommodate different heights and are suitable for all ages and skills.