4' 8" x 4' 8" Giant Plastic Chess Board with 7' Squares is composed of interlocking black and white 7" plastic squares and is designed for our 12" or 16" chess sets and our plastic checkers with a 4" diameter. All-weather and sturdy, this chess board can stand abuse and is slip-resistant. No tools are required for assembly. This chess board is perfect if you need a solid or more permanent chess board. It is ideal for events or long-term installations as it can be time-consuming to set up and take down the board. You can assemble and disassemble the board as often as you like.