Transparent design, let you see the process when you're stamping. The stamp block with a protective film, so that the block in the transport process will not be damaged. High quality super transparent acrylic material, considerable hardness and comfortable feeling. Acrylic Stamp Block: Use these acrylic stamp blocks to apply stamps to notebooks, journals, invitations, scrapbook pages, or planners; each stamping block has a grid to help you easily position your stamps. This set of stamp blocks are perfect for stamping craft projects like scrapbook pages, cards, invitations, collages and more with a variety of stamp sizes. size:10cm x 15cm,8cm x 8cm,6cm x 4cm,5cm x 5cm Material:Acrylic colour:transparent Package Contents: 5 x Stamp Acrylic Block Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.