Specifications Color : Black Material : Metal, PE, PET Remove the Middle Tube : 5-7.7 ft Install the Middle Tube : 7.5-10 ft Remove the Middle Tube : 3.5-6 ft Install the Middle Tube : 5.8-8.5 ft Backboard Dimensions : 32" x 23" (L x W) Base Dimensions : 30" x 21.5" x 5" (L x W x H) Weight Bag Dimensions : 19.5" x 10" x 12" (L x W x H) Inner Diameter of Basketball Rim : 15" Diameter of Transport Wheel : 3.5" Added Weight : 9.2 gallon Water or 86 lbs Sand Added Weight of Weight Bag : 77 lbs Sand Net Weight : 35 lbs Key Features ● Fast and Wide Height Adjustment: Users can install 2 tubes or 3 tubes to get their desired height. This outdoor basketball hoop system provides 10 adjustable heights from 5 ft to 10 ft for basketball in all age stages, and the height is quick to adjust in seconds. Note: measure the height from floor to rim. ● High Strength Backboard and Rim: The transparent backboard is made of premium PE and PET material, and it is impact resistant and shatterproof. And the rounded edge is designed for anti-collision. Certified by ASTM and CPSIA, you can buy this basketball goal system with confidence. Note: not suitable for dunking. ● Sturdy and Stable Base: The enlarged base can be filled up to 9.2 gallon water, 86 lbs sand or 105 lbs sand +water, which ensures a more stable center or gravity. Also, a free weight bag (without filling) is included in the package, which can hold up to 77 lbs sand. And the triangular structure strengthens the connection between the base and main pole. ● Portable and Considerate Design: The base is designed with built-in wheels to provide easy mobility, and the basketball holder on it offers convenient storage during half-time. In addition, the off-prevent hooks on the rim avoid the net falling off when playing basketball. ● All Weather Basketball Hoop System: The package includes a weather resistant net which is capable of long time service in all conditions. And the metal tubes finished with paint surface are rustproof and features better durability for both indoor and outdoor use, suitable for playground, gym, backyard, etc.