These chess pieces are made of good quality plastic, safe to use, and not prone to break. The height of king is 75mm. The rests: queen, rook, bishop, knight, pawns are in proportion. And there are chess pieces only, NO BOARD. Fine workmanship chess pieces with sleek edge and comfotable hand feeling. There are lint made pad beneth the bottom of every chessman, which avoids noise. Light in weight and portable size is easy to carry.