Set of 4 Kids Activity Plastic Tray - Art + Crafts Organizer Tray, Serving Tray, Great for Crafts, Beads, orbeez Water Beads, Painting and Montessori Work (Set of 4 - Red Blue Purple Black) KEEP IT CLEAN AND NEAT Our trays are 1.5 inches deep straight sides to keep everything organized and mess free. It is also kid friendly featuring easy to carry extended lip and lightweight. EASY TO CLEAN The surface is easy to wipe clean and stack nicely together. MATERIAL:This tray is made of polypropylene (PP) plastic number 5. It is PVC and BPA-free LOW PROFILE They have a low profile, lay flat on the table and contain liquids, sand art, beads and legos perfectly. MULTIUSE: Perfect for classroom, daycare, kindergartens and homeschool, to organize art materials, collaging, crafting, beading, science experiments, water works, loose parts education, sorting legos, playdoh, montessori snack preparation, dollies art, finger painting, color mixing and many processed based creative invitations. Counting bears Stamping Sand Art Scratch Art Montessori Activities Collaging Beading Sorting Legos Science Experiments Loose parts education