INOVART Kidz Art Activity Printmaking Assortment Eco karve printing plates are latex- free and non-toxic, made from 100% recycled materials smooth and pliable, the 3/8 inches thick plates can be used on both sides, are very easy to carve, and provide sharp clean lines 4 soft roller is made from inches latex-free inches materialpicks up more ink than hard rubber brayers and assures even ink distribution roller snaps out for easy cleaning and replacement durable plastic Printing paper is suitable for professional and student use It has high-quality, white marbled-surface that is acid-free and neutral PH paper, excellent for wide range of water or oil-based inks and paints Unique inches quick release inches handle allows quick and easy change of carving bladessets includes different lino cutters Soft grip ergonomic handle is comfortable and easy to use Mixing trays are mooth, rectangular with non-porous foam surface is ideal for mixing or rolling multiple colors of inks and paints ie block printing inks, acrylics, or any tube or jar colorClean easily