This chess board is hand crafted and each one is unique. Created using a hand pressed concrete technique each one has it's own special character. The white squares area acid stained into the concrete. 2" squares accommodate larger pieces. Fully sealed, can be left indoor our out! I build these to last a lifetime. Dimensions: 18" x 18" x 3" Weight: 35-40 pounds (they are hollow) *Can be made any thickness and with any square size. Contact me with any requests!