Features 1. Feature: Moisture proof, heat sealable, can use the heat sealer to seal the bag, with tear notches. 2. These bags can be sealed with an impulse sealer to prolong the shelf life of any product. 3. Can stay open by itself making it effortless to fill. Keep all water and moisture out and any odors in when closed. 4. Perfect for coffee, beans, candy, sugar, rice, baking, cookie, tea, nuts, dried fruit, dried flowers, powder. 5. Package:100pcs. High quality aluminum foil PE (polyethylene), the bags with premium quality is No Odor, Sturdy, Strong Sealing, Reusable. An ideal choice for storage and keep your food fresh. Specification Material: Aluminum Color: Black Size: 7 x 10 cm, 10 x 15 cm, 14 x 20 cm Weight: 100 g Package Include: 100x Aluminum Foil Bags