Samsill Heavyweight Non-Glare Poly Sheet Protectors, Box of 100, Acid Free & Archival Safe, Top Loading, Letter Size - 8.5 x 11 Superior protection - 3.15 Mil or .080mm thick polypropylene provides optimum performance and each sheet protector is Designed for durability and frequent daily use at home, School, or Office Glare Reduction - all the sheet protectors have slightly textured finish that provides reduced glare while still offering contact clarity for easy viewing of the documents stored inside Durable solution - combines polypropylene, a neutral material thats stronger and more durable than vinyl, and a reinforcement strip for lasting performance Wont lift or transfer ink - PVC free, acid free, and archival safe material is non-stick and will not lift copy from important documents or photos and will not transfer ink to the sheet protector Professional look and feel - the non-glare finish and heavy duty feel provide a Premium product that is perfect for portfolios, presentations, sheet music and promotional materials