... high strength and durable.FAQ: 1. How can I get some samples? 1) We are honored to ... . 2) Regarding the courier cost: you can arrange a RPI (remote pick-up) service upon FedEx, UPS, ... goods or packing box, for patent protection purpose, a letter of attorney (letter of authorization) shall be ... example, dental kits, shaving kits etc).or you can buy a single item(for example , socks, toothbrush or toothpaste ...