The Perforated Style Perforated Steel Portable Frame Rectangle Picnic Table from Webcoat comes in many variations differencing by length and wheelchair access. The bench and seats are coated in one of two available options: glossy plastisol or matter polyethylene. PlaygroundEquipment.com recommends matte polyethylene due to the durability of the finish and amount of available colors. The Perforated Style Perforated Steel Portable Frame Rectangle Picnic Table comes in six and eight-feet lengths. The 2-3/8-inch diameter steel frames come in various sizes with the 18-inch high version and 31-inch tabletop meant for the adults and the 14-inch high seat with 24-inch high tabletop meant for children. The model number T6PERFHDCP requires anchoring with in-ground posts or surface-mount clamps for stability. All other models are 100% self supporting.