Large Black Plastic Stackable Multi-Use Display Tray - 1 inch deep (BD-1-1P) | eBay
Amazon.com: 10 Pcs Plastic Art Trays,Multicolor Activity Tray Organizer Serving Tray for Crafts,DIY Projects,Painting,Beads,Organizing Supply : Arts, Crafts & Sewing
Individual Plastic Tray (Small) - Assorted Color
Amazon.com: 18 x 26 Inch Plastic Tray White : Home & Kitchen
Amazon.com : Storex Letter Size Flat Storage Tray – Organizer Bin for Classroom, Office and Home, Assorted Colors, 5-Pack (62514E05C) : Office Products
Amazon.com: Plastic Trays for Classroom, Office Organizing, Arts & Crafts - Letter & Papers Flat Storage Bins - Sensory Tray - Set of 4 Colors - Great for Lego, Sand, Crafts, Orbeez, Painting, Montessori Tray
Large Plastic Tray - Montessori Services
10" x 14" Restaurant Serving Trays | NSF-Certified