cup coaster,custom metal coaster,tea cup coaster ... Specification Materialsoft pvc/metal/leatherSize100mm in diameter or customizedTechnicsInject printing ,frosted ,matt ,embossing ,barcode ,signature panel ... for sample,7-20days for mass production(base on your qty)Sample costfree samples, sample is ... DHL/UPS/TNT/FedEXCertification SGS, Others Statement logo on the products are just for your reference, ...