These Relyon bags are certified child-resistant and labeled with instructions for adult use. Relyon bags are ideal for cannabis products. Zipper closure deters child access to content. Bags are tamper-evident when heat sealed above the zipper. The 5 mil foil barrier controls oxygen and moisture to provide a long shelf life. Great for applications that require nitrogen flushing. A low moisture vapor transfer rate maintains shelf life protecting your flavor brand. Bottom gusset allows the bag to stand up and expand for bulky items.