The Sure Shot Action Sport 50th Anniversary Backboard and Ring Set is a great quality wall mounted set suitable for children over the age of 6. The solid, reinforced backboard measures 35" x 24" (90 x 60cm) ). The steel ring measures 15.75" (40cm), which is slightly smaller than some of the other Sure Shot products. Attached to the ring is a nylon net. Suitable for indoor/outdoor use.