Medline Sofnit 200 Underpads in a Variety of Styles and Sizes. A mainstay in many facilities, this underpad is a more economical version of our Sofnit 300 pad, designed with a good combination of durability and economy. A lighter weight cotton/poly face fabric of Twill offers good stain resistance and high heat resistance during drying. The total weight of the pad is lower than many other styles, resulting in lower processing costs. Pink Vintex barrier is extremely durable. 30" x 36"