Experience the latest in heat pack therapy that uses natural clay beads and moisture to provide soothing warm pain relief. The beads naturally absorb moisture from the air while the lavender scent provides aromatherapy to enhance the overall experience. Simply microwave for warm therapy. Contains natural clay and non-toxic oils. The Wonder Beads rectangle comes in a soft drawstring pouch. Triple Safety Tested CPSIA, FDA and TRA (Toxicological Risk Assessment). Use instructions printed on item.