4Legs4Pets 40x22 Elevated Pet Cot in Gray with Gray Legs, Unassembled Cover is made of the extremely durable fabric Texron; a non-sag, open weave, vinyl covered polyester yarn. Legs are made of high impact polypropylene plastic. Product Dimensions: 22"D x 40"W x 5"H Fabric Color: Gray. Frame of bend-resistant, powder-coated, 18 ga. cold-formed steel. Leg Color: Gray. Cots are stackable. No screws, nuts or other small parts. Lace-up cover can be tightened periodically if necessary.