Vakly 36" x 54" reusable underpad kit contains 3 top selling reusable underpad item number ZRUP3654R and are Ibex quilted with non-slip, waterproof, PVC backing. Pee pads also known as chux are great for beds, chairs and sofas and also perfect for your pets. These Washable Underpad come with a Vakly Incontinence Management Guide.