DURABLE MATERIAL - This pro ZENY baskerball court system is constructed of heavy-duty steel, a polyethylene panel, and an all-weather nylon net, this hoop will last all season.The 28” x 18” backboard is made of shatterproof clear polycarbonate, tough enough for the most competitive games STABLE BASE - The weighted mobile base(29’’ x 22’’) fills with water or sand ensuring standing and stability as your practice your shots.And the 2 built-in wheels provides the convenience while transportation and moving HEIGHT ADJUSTABLE JUNIOR HOOP - This basketball hoop can be adjusted from 5.4ft to 7ft.This will be fit for boys and girls of different age ranges to practice their game INDOOR OUTDOOR PALY - This junior basketball hoop can be set up in minutes no matter indoor practice or outdoor competition.This hoop also can be set up as a poolside play just lower the height.This 3-Piece steel pole is all-weather resistant; designed for indoor and outdoor use.A great gift for your kids. ITEM DIEMENSIONS - Backboard Dimensions:28 x 18" ( L x W ),Adjustable Height:5.4ft - 7ft,Base Dimensions: 29'' x 22'' x 5.5" ( L x W x H ),Rim Dia: 0.17”. ZENY complete portable basketball court system includes a height adjustable backboard,rim,pole,basketball net and wheeling base, Assemble needed.