Quantity and Size:50pcs(3.9"X5.9")resealable holographic mylar bags in one package ,perfect for small business and personal use! Product Design: With a single-sided matte transparent window to ensure the clarity of the internal packaging products; Zipper closure design, easy to use and completely sealed, can be sealed again with a sealing machine; The side of the seal has a u-shaped groove tearing port, more convenient to open. Reusable and Heat Sealable : These stand up pouches can be sealed by heat seal machine, easy to tear notch on the top allows your customer to open it even without tools.With zip top closure makes it can be re-closed after open.The outer and inner covered with coating that make it leak-proof, keep contents from moisture and offer you an excellent shelf life. High Quality and Safe: Our paper pouch bags are made of food-grade kraft paper and plastic; The inner lining is with safe wax coating; The bottom is thickened to increase the load-bearing capacity of the packaging. Functions: Household: Suitable for packaging various products, including tea, coffee, bulk spices, cookie, homemade treats; Commercial: You can attach your own brand label on the surface as a retail or sample display package. Product Design: With a single-sided matte transparent window to ensure the clarity of the internal packaging products; Zipper closure design, easy to use and completely sealed, can be sealed again with a sealing machine; The side of the seal has a u-shaped groove tearing port, more convenient to open.