OKKO Retractable 8-Ball Chalker clips to your belt or pocket and provides quick and easy access to your chalk during the game. Designed to hold any standard size (cube shaped) billiard chalk. Cord material: Nylon. Cord length: 26” (66 cm). Disc material: Metal, plastic. Disc diameter: 1 ½” (3.8 cm). Chalk case material: Rubber. Net weight: 1.1 oz (31 gr). Chalk holder color: Black. 1 pc of Master Chalk (blue color) is included. The chalk is made in the USA by Tweeten Fibre Co.