Medical Indicators Tempa·DOT™ Oral Axillary Thermometer, 1 Case of 2000 Furnishing Accessories 30 x 60 x 12 10883 30 x 60 x 12 * End to End * The board rocks to stimulate the balance control feature of the inner ear * Covered with a non slip surface * The manufacturer ships this item by truck Add water to the sponge for moist heat or take the sponge away for dry heat Each dot changes color from tan to blue at a specific temperature relative to the melting point of the specific chemical mixture in the dot No risk of toxic mercury exposure makes this thermometer a nontoxic and safe choice for patients of all ages