Tough enough to withstand the elements and constructed with a shatterproof polycarbonate backboard, the Lifetime(R) 44'' Portable Basketball Hoop brings the game home for all ages to enjoy. Pro Tips: Guide to buying a basketball hoop Portable Design, Professional Look: Quick Adjust(R) II mechanism allows you to raise or lower backboard from 8 to 10 ft. Steel-Framed Shatterproof Backboard: Makrolon(R) polycarbonate for superior strength Slam-It(R) Rim with double compression springs for spring-back action Made in the USA from US and imported parts Fade resistant graphics Three-piece pole Specs: Base: 31 gallon Base Filler: Sand or Water Backboard Size: 44'' Height Range: 8' to 10' Pole: 3'' Manufacturer Warranty: 5-Year Assembly Info Fill Base with 31 gallons of water Base gel available to prevent freezing (sold separately) Sand can also be used Turn your water into gel to protect against freezing during the winter with Base Hold Gel