Biofreeze Cryospray 16 Oz. Spray Professional Version X Ray Markers Made of heavy duty plastic and MSHQ MENM375 Made of heavy duty plastic and is dishwasher safe Air pump mechanism can be activated with a waterproof hand control that can be placed on side of tub 16oz Spray * A no touch method of application * Beneficial for acute conditions involving severe muscle spasms of the lower back or acute spasms of the upper back or neck * The application can be applied pre treatment to acute areas of muscle spasms to allow for a faster relaxation of muscle involvement and better treatment response * Hygienic delivery system * Shipping Carton Size: 12 L x 10 W x 6 H