These bags are certified child-resistant and labeled with instructions for adult use. Zipper closure deters child access to content. Bags are tamper-evident when heat sealed above zipper. The 5 mil foil barrier controls oxygen and moisture to provide a long shelf life. Great for applications that require nitrogen flushing. Low moisture vapor transfer rate maintains shelf life protecting your flavor brand. CERTIFIED: Meets the Poison Prevention Packaging Act, CFR Title 16, Part 1700. Includes Part 1700.15 & 1700.20 for Poison Prevention Packaging.Complies with ASTM D3475 for child-resistant packaging.