Amazon.com - Omega 24" Deep x 48" Wide Plastic Shelf Liner
Amazon.com - Shelf Liner, wohomuke 24 inch x 20 ft Kitchen Cabinets Liner Non-Stick Drawer Mats EVA Protector Shelving Cupboard Lining (Clear, 24 inch x 20 ft)
EasyLiner Select Grip 20 in. x 24 ft. Shelf Liner, Black - Walmart.com
Clear Plast-O-Mat Ribbed Shelf Liner | The Container Store