Engraved with a diode laser you can order one batch of the same design if you message me upon request. Otherwise the keychains will be mixed. L x W x H 5.1 x 3.3 x 0.7 cms Wooden Keychains -- These keychains consist of wood and metal. The natural wood part is polished, which touches smoothly and no burrs Chic Size -- The wood part is 5.1*3.3*0.7cm and the diameter of metal ring is 3.2cm. It is not very big but nice size to organize your keys. Please check the size before purchasing