Portable basketball poles keep your options open. The XL base fills with sand or water to provide stability and the roller design allows you to relocate the system if desired. Our portable basketball poles are designed with innovative height adjustment mechanisms. This 54 in. shatter proof backboard can easily be adjusted from 7.5 to 10 ft. with the squeeze of a handle. Our portable basketball poles are built with top-quality construction and design. The shatter proof backboard of this system is made of Makrolonpolycarbonate, making it virtually unbreakable and much stronger than acrylic. The pole structure is made of powder-coated steel to resist rusting. A great-looking system your friends and family won't be able to resist!