Plastic Art Trays: Set of six vibrant craft trays perfect for open-ended activities with various mediums in a school or playroom to keep table surfaces clean by containing messy activities Multipurpose: Ideal for use in a classroom, daycare, art class, or at home to foster creativity through painting, doing puzzles, science projects, beads, slime, and more Craft Organizer: Durable paint trays have a textured surface and raised edges for easy carrying and to prevent supplies from spilling; art trays nest together for convenient and compact storage Certified Safe: Classroom supplies are UL GREENGUARD Gold Certified for low VOCs and CPSIA compliant; feature rounded edges and smooth surfaces for safety Product Dimensions: Trays measure 15" L x 10.4" W x 1" H, inner dimensions 11.5” L x 8” W; easily clean with mild soap and water solution; Adult Active Engaged & Direct Supervision Required