Our stamp block is made of safe and durable acrylic material with excellent hardness and comfort. It is an choice for stamping process projects, and can be well applied to invitations, scrapbook pages, stamps, and calendars. Features -Color:Transparent -Material:Acrylic -Size(5*15):15.00X5.00X0.80cm/5.89X1.97X0.31in -Size(5*5):5.00X5.00X0.80cm/1.97X1.97X0.31in -Size(3.8*3.8):3.80X3.80X0.80cm/1.49X1.49X0.31in -Size(3.1*3.1):3.10X3.10X0.80cm/1.22X1.22X0.31in -Size(2.5*2.5):2.50X2.50X0.80cm/0.98X0.98X0.31in -Our stamp block is made of acrylic material with excellent hardness and comfort. It also allows other blank side to be positioned and applied better. -High transparency and line design make it clearer to use, designed with the clear grid lines on the one side to help you plan and design. -Great for stamping craft projects like scrapbook pages, cards, invitations and more with a variety of stamp sizes. -It is transparent, with good hardness and comfortable feeling. It would be a nice helper for you. -Transparent stamp plates ensure precise placement. Can be used over and over again for versatile stamping. Package list: 25 x Stamp Blocks