Customized First Aid, Plush Hot Cold Eye Mask - Therapeutic & FDA Certified, One side is covered with ultra-soft, plush material Elastic strap with hook-and-loop closure Innovative "Aqua Pearl" bead technology delivers warm and cold therapy without any mess Simply microwave for warm therapy or freeze for cold therapy CPSIA and Prop65 Compliant, FDA Certified and TRA tested Safety reports for Pearl Beads are available upon request Reusable and easily cleaned with mild soap and water Use instructions printed on item ... #WHF-PE15 $3.39/each.