About this project Package Contents: 6 stamp blocks in 6 different sizes including 7.5 x 7.5 cm, 5 x 5 cm, 3.8 x 3.8 cm, 3.1 x 3.1 cm, 2.5 x 2.5 cm and 15 x 5 cm. Each is 8mm thick. NOTE: These are protective caps to protect the stamp from being scratched, please remove the caps before use. INNOVATIVE DESIGN: One side is designed with clear grid lines to help you plan and design, plus it allows better positioning and application of other blank sides. PREMIUM QUALITY: Made of high quality acrylic, it is sturdy and sturdy, the stamp block is sturdy and not easy to break, perfect for long time use. Safe and comfortable to use, there are round beads on the edge of the blocks, smooth and comfortable for daily use, safe to hold the blocks without worrying about hurting your hands. Wide Application: Clear stamp blocks are great for stamping projects such as stamping on cards, notebooks, journals, invitations, clipboards, stamps, DIY, etc.