Durable Acrylic Material This transparent seal is made of high-quality acrylic material, environmentally friendly, non-toxic, high in hardness, not easy to break, and durable. The smooth surface feels comfortable and very easy to clean, and can be used for a long time. Exquisite Lace Design The edge of the acrylic block is designed with lace, which is cute and interesting. The curved edge design is round and smooth. There is no need to worry about scratching or damaging your hands when using it. It is very suitable for daily use. Acrylic Block with Grid Lines The transparent acrylic block has clear grid lines on the surface, which can help you plan and design. The serrated acrylic block also provides you with a better grip, allowing you to easily operate it when grasping and using it. Ideal for DIY Stamps Reusable acrylic stamps can be used in various craft projects, such as decorative greeting cards, diaries, scrapbooks, envelopes, notebooks, photo albums, tickets, invitations and other stamping craft projects. It is an ideal DIY tool. 7 Different Sizes of Acrylic Stamps You will get 7 different sizes of acrylic stamps. The size is 0.98*0.98 inches, 1.22*1.22 inches, 1.5*1.5 inches, 1.97*1.97 inches, 2.95*2.95 inches , 3.94*3.94 inches, 5.9*1.97 inches. A variety of sizes are available for you to choose, which can meet your different needs.