Medline Sofnit 300, Pack of 4 Large Washable Pink Underpads, 34″x36″ The resealable bag is convenient for storage and makes transport easy. When you need underpads, ask for the pink Sofnit 300! Medline’s Sofnit 300 underpads are soft, durable, leakproof, and reusable. These pink underpads can be used for a variety of applications, including continence care, protecting beds and furniture from incontinence, or for use with pet training.