These Black Child Resistant Bags can be used for any product that should be kept away from children such as detergent pods, marijuana or any substance that may be dangerous to children can be stored in these bags. They are 6mil thick, smell-proof and , and compliant for food contact. These bags have a closure zipper that requires two hands to open. The zipper can be manipulated by adults easily but will be difficult for children to access. These bags meet ASTM D3475-15 (American Society for Testing and Material Child Resistant) standards. Get 50pk on every order of Black Child Resistant Bags.