A square version of our "Original" Aqua Pearls (WHF-HC11 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. Available in a variety of shapes, colors and themes. Complies with CPSIA, FDA, Prop 65. 4.25" L x 4.25" W x 0.5" H. Price includes a 1 Colour Imprint. Imprint area is 2.75" W x 1.5" H on Front. Call for multi-colour or multi-location imprints or for rush delivery availability.