Designed for street tournament play Extension arm provides 3' of offset at 10' goal height 54' x 38' acrylic backboard with steel back framework Slammer Flex Goal included Rim height is adjustable from 8' to 10' Backboard folds down for storage Base padding included black Additional ballast weight required 500 recommended lbs. One year limited warranty Storage dimensions 116 34'' long x 35'' high x 54'' wide WARNING ĘThis product contains chemicals known to the State of California to cause cancer, birth defects, and other reproductive harm.