PureWick Urine Collection System without Battery (Case) Brand_Sofsilk Features a comfortable convoluted foam Brand_CardioChek Plus Features a comfortable convoluted foam topper with a high density base foam Features a specialized Dura Gel™ center layer surrounded by comfortable foam layers on the top and bottom of the cushion The cover has a four way stretch top with a no slip base fabric and has a strap at the back to secure the cushion firmly to the chair Accommodates a wide range of body shapes Thick and flexible premium gel remains conformable at all temperatures Small size system that easily fits on a nightstand or small table Easy to set up and clean