This is an ideal single use bag for medical cannabis flowers, edibles, or concentrates. It also works well for packaging small pharmaceuticals and herbal supplements. This bag has outer dimensions measuring 2 1/2" x 3 1/2". The brushed silver color allows for increased visibility among your products while being discreet. A metallized barrier ensures a secure, airtight environment for your contents. This bag is designed to be heat sealed to provide extra security and features no tear notches, which creates the desired effect of a tamper-resistant bag. Food safe.