Specifications Color: Black Material: Metal, PC, PE, Polypropylene Install the Middle Tube: 10-12 ft Remove the Middle Tube: 6.9-8.9 ft Install the Middle Tube: 8 ft/8.5 ft/9 ft/9.5 ft/10 ft Remove the Middle Tube: 4.9 ft/5.4 ft/5.9 ft/6.4 ft/6.9 ft Backboard Dimensions: 44" x 28" (L x W) Base Dimensions: 42" x 27" x 6" (L x W x H) Inner Diameter of Basketball Rim: 18" Diameter of Transport Wheel: 3.5" Added Weight: 132 lbs Water or 330 lbs Sand Net Weight: 71.5 lbs Key Features ● Easy and Quick Height Adjustment: Catering to both kids and adults, this portable basketball hoop features 10-level adjustable height: 8-10 ft (install 3 tubes), 4.9-6.9 ft (install 2 tubes). Plus, the height adjustment is effortless and tool-free, just press the handle to slide it up or down to the specified position and lock it in place. ● Always Stay Stable: The basketball goal system comes with a heavy duty base that can be filled with 132 lbs water or 330 lbs sand to ensure stability during play. In addition, the triangular structure and large rebound plate provide added support for uninterrupted and safe playtime. ● 44 Inch Enlarged Backboard: This adjustable basketball hoop features a 44" shatterproof PC backboard, which is harder than PVC/PE/PET. Along with thickened reinforced edge and dual shock-absorbing springs, it is able to withstand vigorous play. ● All Weather Use: Crafted from rustproof metal rim and poles, tear-resistant polypropylene net, weather-resistant PE base and PC backboard, this basketball hoop allows you to enjoy basketball in any season. Please note: not recommended for use in severe weather. ● Portable Design: This portable basketball stand is equipped with 2 wheels for easy movement. You can effortlessly shift your basketball hoop to the perfect location, whether you're aiming to enjoy a sunny day outdoors or staying sheltered indoors.