Origami LR5-03 Set Of Four Magnetic Storage Shelf Liners, 4 Shelves, Clear No tools required for set up Attached magnets keep your liners in place. Durable plastic construction. For use with Pop-It 4-Tier Heavy Duty Collapsible Storage Shelf, not included Measures approximately 35-1/4" x 17-3/4"; weighs 4 oz Imported 1-year Limited Manufacturer's Warranty