Durable Material: Iron bracket + plastic backboard It does not support the dunk! Sturdy Base: Base can be filled with water or sand to ensure the basketball hoop remains standing solidly. Manufacturered by ERRU. Size: As shown High 1.7m (5.8ft) Backboard size 37.5x28.5cm Base 40x28cm; High 2.1m (6.9ft) Backboard size 47x33cm Base 47x32cm; Weight: 3kg. Easy to Use: Assembly is needed and all the hardware is included in the package Suitable for take it to beach schools and other indoor and outdoor places. Adjustable Height: The junior basketball hoop height is easily adjusts for growing children ensuring that all ages can enjoy the game.