One side is covered with ultra-soft, plush material. 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. Complies with CPSIA, FDA, Prop 65. 6.375" L x 3.875" W x 0.75" H
