FOOD GRADE SAFE: 100% new Oriented Polypropylene OPP, non-toxic, odorless, environmentally friendly, clear than PP plastic bags; THICKER AND STRONGER: 2.1Mil Thick & measurements do not include flap, Not Gusseted bottom, 2.1 mils single side thickness, crystal clear and stronger cello bags have excellent vapor blocking properties, keeping the food and treats fresh, extends the shelf life; WIDENED ADHESIVE SEALING STRIP: Widened adhesive sticks to ensure a more tight seal, package better, save fresh longer, can package biscuits, candy, a variety of snack nuts, with resealable self sealing and no need twist ties. RESEALABLE PACKAGE: Pack of 100 Cello bags, in a re-sealable bag, keep fresh and convenient store and re-use! Gift wrapping, Bakery package, Wedding Party favor, Home and Kitchen must-have! SATISFACTION GUARANTEED: We are confident you will love our 888 Display USA Cello Bags, You can be confident in buying it as we offer you a 30-day full money back guarantee! Keeping you happy is our priority.