We R Memory Keepers-Stackable Acrylic Paper Trays.

• Easy to put together and take apart and when not in use trays can be nested together for easier storage.  
• Contains four 12"x12" inch clear stackable trays. Imported.
• Sturdy plastic shelving for your card-stock and other paper stock.
• Sold in two variants
• Pack of 1 (does not include paper)
• Pack of 4 (does not include paper)