1.black rubber placemat 2.nice ,cheap,safe 3.welcome OEM/ODM. 4.SGS,FDA,BV approved 5.colorless,odorless,nontoxic Round purple and green desktop placemats Specification1.Material--100% silicone, flexible, nontoxic and non-stick.2.Use -- muscle power up, improve blood circulation, sooth tension ,enhance upgrade the power of concentration, very helpful for students, researchers, businessmen and ...