... *62.5*5.5mm; 3. Weight: 21.5g/pc including the stainless key ring, if only card holder, is 16g/pc ... color printed, customed logo available; 5. Design: when you push the buckle, the card will go out; 6. OEM welcome, we can design ... idea or 2D/3D drawing; 7. Certifcate: strictly conform to the ISO9001, ISO14001, FDA, ROHS international quality system.