Sturdy material: our assisted clay roller and sheet backing board are made of acrylic, which is sturdy and can accompany you for a long time, flexible polymer clay cutter is made of carbon steel, and can make smooth and Micro-cuts Size details: acrylic solid clay roller is cylinder shape, it is . 20 cm/ 7.87 inch in height with diameter about 2 cm/ 0.8 inch, plastic sheet backing board is in rectangle shape in the size of . 15 x 10 cm/ 5.9 x 3.9 inch, the carbon steel blades are . 10 cm/ 3.9 inch and 20 cm/ 7.87 inch in length Easy to clean: acrylic solid clay roller and transparent clear acrylic sheet are easy to clean, you just need to clean them with soap and water; Carbon steel blade is convenient to clean, just be rinsed with water; Please note: be careful to wash the blade for its thin edges Assorted usage: our sculpting tool set is convenient to satisfy your DIY crafting needs, suitable for both home and school uses, and you can get fun of DIY when you are shaping sculpting modelling with our product, make gifts for your friends and families to show your love Color: transparent Material: acrylic Package Contents: 1set tool Only the above package content, other products are not included. Note: Light 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.