This smooth backless concrete park bench is 72” x 18” x 16” and made of precast concrete reinforced with full steel rebar caging. Anchoring:(4) 3/8” Dia. threaded inserts. Available in a variety of colors & finishes. Reinforced high quality, low maintenance concrete construction is very durable. Optional skate stoppers. Although the design is portable, at 920 lbs. there is no need to worry about vandalism.