Stackable Paper Tray by We R Memory Keepers | 12 x 12-inch, 4 pack CREATE A PERSONALIZED ORGANIZATION SYSTEM: These easy to assemble trays make organizing your paper and other crafting supplies simple and convenient. STACKABLE AND NESTABLE: Stack as many or as few trays as you want. Nesting capability allows for easy storage when not in use. STORE PAPER AND SO MUCH MORE: 12 x 12-inch trays allow for storage of paper, embellishments, tools and more.