Ease achy muscles with this soothing neck and shoulder wrap that can be heated in the microwave or frozen for a cooling sensation. The neck wrap should be placed in the included cotton bag and heated in the microwave for 30 second intervals until you reach the desired temperature. 4.7" x 1.8" x 21.6" Microwave safe Polyester/cotton/spandex with clay bead fill Spot clean Imported