The Serene Life Bubble Bath Massage Mat will bring spa day to your tub! The external air pump is designed to sit beside your bath tub, while the air hose delivers soothing bubbles to help you relax. The fully submergible bath mat is completely waterproof and features a suction cup bottom for non-slip comfort. The cushioned & padded surface texture of the mat helps melt the stress away as you control the bubble-flow intensity. Simply drop the mat in the tub & relax with the Serene Life Bubble Bath Tub Massage Mat.