The billy, reference 03821, is a silicone zipper puller designed to make it easy to open and close zippers. Its simple and effective design allows for quick installation on a variety of clothing and accessories. Whether you're replacing a damaged zipper pull or customizing your items, this silicone model provides comfortable handling. It's ideal for improving the accessibility of your jackets, bags, luggage, and other zipper-equipped items. The billy, reference 03821, stands out for its versatility and ease of use. It can be used by both adults and children, making zippers more accessible to everyone. Additionally, its installation requires no special tools, making it convenient for quick modifications.