Made from a very durable plastic - this is the standard set you'll find used in chess clubs, schools and tournaments worldwide. Comes packaged in a clear polybag. King measures 3.75" which is a standard tournament size. Base diameter of pieces is 1.4" which best suits a 2 1/4" square chess board (included)

Comes with a durable plastic roll-up mat with green and white squares. Very easy to carry. Each square measures 2 1/4". Algebraic notation is printed on all 4 sides.