After multiple design attempts, Redssen successfully applied for patents in several countries, such as Japan, Germany, and the UAE, to protect its innovative 3-Side Quick-Zip Duvet Cover design.

经过多次设计尝试，Redssen 成功地在日本、德国和阿联酋等多个国家申请了专利，以保护其创新的三面快速拉链被套设计。