Renewable bamboo material. Classic silhouette with cap. RoHS compliant. Compatible with Windows XP or above and Mac OSX or higher. Complies with Prop 65. 2.83" H x 0.43" W x 0.75" L. Imprint area is 0.38" H x 1.38" L on CAP rightCentered on BACK. Please call for rush delivery availability or multi-colour/multi-location imprints.