This is our largest stock single use bag measuring in at 4" x 5". The bag is brushed silver in color, providing ample space and discretion for the storage of medicinal herbal flowers, edibles and concentrates and larger pharmaceuticals. CRB3S will help ensure that your adult-use product has packaging that provides heavy duty protection, airtight security and precautions for child safety. This bag is designed to be heat sealed and features no tear notches and a 5 mm side seams to help create a tamper-resistant bag even for the most curious minds and hands. High metallized barriers control odor and moisture for this zero smell bag. The 4 mil thickness and opaque material render your contents invisible.