This product makes an excellent choice as a single use bag for storing and transporting medicinal herbs, edibles, and pharmaceuticals. The outer dimensions measures 1 1/2" x 6" and offers a discreet brushed silver color for adult use packaging needs. The opaque material is impenetrable to light and is smell-proof to discourage tampering by even the most curious children. This child resistant bag has no tear notches and strong 5 mm seams. A high metallized barrier controls odors and restricts the transmission of moisture and air. Your contents stay fresh. For optimal safety, this 4 mil bag can be heat sealed for a tamper-resistant closure.