DescriptionMade of acrylic material, this stamp accessory is easy to clean with water and towel. You should clean them before every application for better experience in using ,good for stamping craft projects like notebook, journal, cards, invitations, scrapbook pages, schedule book, clipboard, planners, etc.Feature- Color: As Shown. - Material: acrylic. - Package Size: About 10.5 x 10.5 x 3.5cm. - Made of clear acrylic material, these blocks are easy to clean with water and towel, you shall clean them before every application for better experience in using - The curved edges of the acrylic blocks are to fit your fingers tightly for easy grip, and blocks with rounded corners will provide you with a comfortable and safe grip - 4 blocks are in 4 different sizes, can meet your needs for applying different stamps - Great accessory for your seals, and you can use them to fix yor bad one. - Clear acrylic blocks are good for stamping craft projects like notebook, journal, cards, invitations, scrapbook pages, stamps, schedule book, clipboard, planners, etc. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!