Snapware Snap 'N Stack 3-Layer Home Storage Container (6-Inches by 9-Inches) Snapware Snap 'N Stack 3-Layer Home Storage Container is perfect for storing home office supplies, arts and crafts materials, and much more. Stackable trays provide quick and easy access to contents, and keep items separate and organized. Additional trays can be added or removed to customize the container as needed. BPA-free polypropylene container and lid is dishwasher (lids top-rack only) safe. Snapware plastic products come with a limited lifetime warranty against manufacturer defect.