Non-porous surface repels food and water; Slide out design makes cleanups easier; Composed of flexible polypropylene material; A generous lip prevents food, water, and whatnot from spilling over the edges; Designed to fit 1000 Great Crate and ProValu 2-Door 19-inch Crates. Size: 16.5(Length) x 11.75(Width) x 1.5(Height)