Our Swimming Pool Basketball Hoop is height-adjustable, the telescoping mechanism adjusts approximately from 3 ft. to 4 ft. increments (90 cm to 120 cm). And please attention The Height of Ring Adjustable which is comfortable for playing in the pool but maybe small in other place. This swimming pool basketball hoop constructed of heavy-duty steel, a polyethylene panel, and an all-weather nylon net, this hoop will last all season. Shatterproof Fusion backboard is constructed of High Density Polyethylene for superior strength and durability. Large PE molded base can be filled with water or sand to increase stability, and the entire swimming basketball hoop stays in place until you're ready to move it. The base can be filled with 33% water or sand for stability.