With these Chadko translucent wire shelf liners, improving the stability of stored items while preserving visibility is possible. Use to keep objects of any shape or size in place and easily identifiable. Purchase by matching your shelf's depth and width to the dimensions of the liner. Creates solid surface on21"d wire shelves Provides smooth, solid surfaces for wire shelving Durable .635mm thick, polypropylene construction Quickly removes for thorough cleaning Easily cuts to different sizes or shapes if needed Liners are cut-to-order and arefinal sale. Please measure shelves and see Product Details section below for exact sizing. To accommodate accessories used on wire shelves, liners must be custom cut. Please note in order special instructions box at checkout if needed.