Soothe tension and aches with this neck wrap therapy pack from Slow North in Austin, TX. It can be used hot or cold. Drapes around your neck and shoulders. For heat therapy, fold in half and warm in the microwave in 30-second increments until desired heat is achieved (no longer than 1.5 minutes). For cold therapy, store in the freezer until ready to use. All natural. Linen/cotton fabric and lentils. Various fabric patterns in prints designed by Rifle Paper Co. Do not launder.