Our mylar bags have a Matte Black smooth texture, polypropylene and foil material, which is durable, resealable, keep all water out and resistance to tear. Specification: Design: Open top with tear notches Material: Polypropylene and Aluminum Foil Size: 7.5 x 10 cm/3 x 4 inches (Approx.) Thickness: 3.6 mil/0.09 mm Qty: 100 Pieces Why You Choose Our Mylar Bags The smell proof pouch provide excellent toughness with a sealing strip, very convenient to close and open, the smell proof bag is resealable. and sample bags have 2 tear notches on the top, you will easy to use. The black mylar bags are suitable for coffee, beans, candy, sugar, rice, baking, cookies, tea, nuts, dried fruit, dried flowers, powder, snack and more food long term storage. Also can hold mask, vitamins or decorations, lip gloss, electronic components etc. The smell proof bag will keep all water and moisture dust or any odors out and the mylar bags can tear resistance, keep things organized and clean. Package Included: 100 Pack x Mylar Bags Warranty: 24 months warranty, if you have any problem of our resealable mylar bags, please contact us by click the ''seller contact'' button in your account and email us, we will give you a satisfied solution.