Designed for radiant heat treatments to perineum Movement of air between the inner and outer shell keeps the unit cool Two wide legs prevent tipping 3 conductor cord set with hospital grade plug Overall size: 10 1/2 W x 9.5 L x 9 1/4 Outer shell 9 1/2 L x 7 1/2 W Inner shell 7 1/4 L x 4 1/2