Super sturdy frame with upgraded 2.0mm thickness and power-coated tubes, featuring the stability and durability of the volley ball net in all weather. 4 sharp ground stakes guarantee easy anchoring on outdoor grass, offering exceptional resistance against strong winds. High density polyester mesh Super strong knot-less netting with high density polyester netting, makes the indoor volleyball net more sturdy. Flexible fiberglass tube high-toughness fiberglass rods gives the outdoor volleyball net with poles a strong buffering ability and a quick recovery,with ground stakes for added stability. Height Adjustable The professional volleyball set features a height-adjustment capability, allowing it to be set anywhere within the range of 7.4 feet to 8 feet, so that everyone can enjoy the game at their desired net height.