Medium measures 21"x30"x3". Color: Bowser Stripe MicrovelvetCalypso MicrovelvetCherry Bones MicrovelvetChocolate Bones MicrovelvetPelican Filigree MicrovelvetSalsa Stripe MicrovelvetUrban Animal MicrovelvetTwill-AvocadoTwill-BlueberryTwill-ButterTwill-TangerineTwill-Watermelon Bowser Stripe Dog Crate Mattress Calypso Dog Crate Mattress Cherry Bones Dog Crate Mattress Chocolate Bones Dog Crate Mattress Pelican Filigree Dog Crate Mattress Salsa Stripe Dog Crate Mattress Avocado Twill Dog Crate Mattress Blueberry Twill Dog Crate Mattress Butter Twill Dog Crate Mattress Tangerine Twill Dog Crate Mattress Urban Animal Dog Crate Mattress Watermelon Twill Dog Crate Mattress