Ruiten company developed Octgon ceramic plaques chip,do customer design,meausre 85x53x3.8mm,we also have a few size for you choose,40mmx3.3mm,43x3.3mm,  68x48x3.8mm plaques chip,85x53x3.8mm plaques chip, 40mmx3.3mm sticker ceramic chip,43x3.3mm sticker ceramic chip.