Adjustable elastic strap with hook and loop fastener, Provides soothing relief for muscle discomfort, Simply microwave for warm therapy or freeze for cold therapy, Double Safety Tested: CPSIA, FDA, and TRA (Toxicological Risk Assessment. Safety reports for Pearl beads are available upon request. Reusable and easily cleaned with mild soap and water. Complies with CPSIA, FDA, Prop 65. 13.0" L x 5.25" W x 0.75" H. Price includes a 1 Colour Imprint. Imprint area is 2.5" W x 1.5" H on Front. Call for multi-colour or multi-location imprints or for rush delivery availability.