Details
Approximately:
5 cm by 4.5 cm and 32 mm thick (8" x 1-3/4" x 1/8")
10 cm by 4.5 cm and 32 mm thick (8" x 1-3/4" x 1/8")
15 cm by 4.5 cm and 32 mm thick (8" x 1-3/4" x 1/8")
20 cm by 4.5 cm and 32 mm thick (8" x 1-3/4" x 1/8")
Sold in a package of 10 with 2 of each colour, or purchase a bundle of 20 with all four sizes and one colour of each size.