5 x 10 * Each * Simply store the pack in the freezer and apply as needed for cold therapy * For heat applications place the pack in boiling water for 10 minutes or immerse in water before placing in the microwave on full power for two minutes * Maintains temperature for up to 30 minutes * Safe non-toxic non-caustic * Shipping Carton Size: 12 L x 10 W x 6 H