With this Acrylic Block Stamping Set Clear by We R Makers you will receive 3 stamp blocks: one of 5.08cm x 5.08cm, one of 7.62cm x 7.62cm and one of 15.24cm x 12.70cm. Each stamp block is 1.02cm high and has wavy edges for easy holding. They also have guides, so you can accurately place your stamp. Because the stamp blocks are transparent, you can clearly see where you are stamping.