Storage Bin Set: Keep classroom materials and school supplies organized and within reach; convenient storage solution for arts and crafts supplies, STEAM materials, snacks, tools and more Multipurpose: Endless possibilities for organization in any room; use as standalone storage, label bins or create a color-coded organization system Durable Design: Built with sturdy plastic that stands up to daily wear and tear; when not in use, stack bins for convenient storage and transportation Certified Safe: Trays are GREENGUARD [GOLD] Certified for low VOCs, CPSIA compliant and feature rounded edges for safety Product Dimensions: Overall bin measures 11.6" L x 8" W x 5" H and the interior base measures 9.5″ L x 6″ W; the single bin volume is approximately 1.2 US gallons