Quilt zippers can touch skin of users directly so they have to be nontoxic. Quilt zippers made by DaSun Zipper have to be done toxicity test and the report shows that there is no azoic compound or nickel in quilt zippers and the concentration of lead is below 90 ppm. DaSun Zipper has been certified by Oeko-tex100.
When choosing quilt zippers, the features of quilt such as soft, thin, easy to be broken and large, should be considered.