Bag King Child-Resistant Vertical Window Mylar Bag | 1/4 oz provides FDA approved food grade material to protect Cannabis Flower, Edibles and Psilocybin Mushrooms from oxygen and moisture. Its heat sealable top and Certified Child Resistant Zipper ensure tamper-evident security. With a clear vertical window, expandable bottom gusset, and various colors to choose from, these bags are perfect for displaying your product and showcasing your brand. The modern structure, rounded corners, and premium matte finish make Bag King the ultimate choice for your brand's packaging needs.