Fabrication Enterprises, Moist Heat Pack Hydrocollator Hot Water Heated Neck 5 X 24 Inch, Count of 1Product Description Provides up to 30 minutes of deep soothing, moist heat Cost effective and provides hundreds of treatments Use with a hot pack cover, sold separately, or a heavy towel Product Benefits Ingredients Suggestions Special Note Warnings California Proposition 65 WARNING Some products on this website contains progesterone, a chemical known to the State of California to cause cancer. Consult with your physician before using this product.