MidWest Puppy Playpen Floor Grids & Replacement Trays for Puppy Playpen Dog Crates Provides Puppies a Safe & Adjustable Space of Their Own Midwest floor grids keep your pets elevated and clean within their crate Vinyl coated grids are extremely durable to provide years of use Floor grid w/ 1-inch spacing designed specifically to fit MidWest Puppy Playpen Model 2242-10