The mylar bags feature a sealing strip zipper closure to keep out water, moisture, dust, and odors when sealed. The sealing strip is secure and tightly closed, ensuring reliable closure. Made from mylar and foil material, these odor-resistant bags help keep food fresher for longer compared to standard zipper closure bags. These resealable bags are suitable for packing, storing, sampling, and sorting. Ideal for storing coffee, beans, sugar, rice, baking ingredients, cookies, tea, nuts, dried fruit, dried flowers, powder, medicine, herbs, spices, and other dry goods. The mylar bags are heat sealable with a double-sided matte black finish and compatible with various food sealer machines for added protection. Size: 7 x 10 cm Material: Aluminum foil Color: Matte black Package Contents: 100 flat food bags Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.