Apex Gel Foam Cushion, 20 x 16 x 3 Inch Cold moisture proof backing and adhesive pad Medium moisture proof backing and adhesive pad strip allow the guard to be securely worn in snug fitting underwear Embrace the ease of nourishing your body with just a single bottle that's filled with all the essential nutrients you need to thrive Design cools and reduces body interface pressure: Dual density foam layers provide a soft top entry layer promoting direct interface with cooling gel pod and a higher density base layer for support and pressure distribution This top design brings the gel pod up close so you can feel the superior comfort and stability