The Brain Stress Reliever is made of polyurethane, squeezable foam that is perfect for relieving stress and comes in a variety of colors. Although every effort is made for imprint consistency, we cannot guarantee a uniform imprint on each piece. Multi-color imprint orders require 1/16 inch registration. No half-tones. These products are not intended for use by children under the age of 13. Complies with Prop 65. 1.75" H x 2.125" W x 2.875" L. Imprint Area is 1.00" H x 1.50" L. Please call for rush delivery availability or for multi-colour, multi-location imprints.