• Letter-size Poly snap closure envelope gives you the storage space of a folder with the added feature of button flap closure to keep your papers from getting bent, spilled on or lost among other documents. • Made of 0.18 mm Polypropylene. • Ideal case for homework, documents, notes, coupons or photos. • White Plastic button snap closure seal. • Opens on long side. • Holds approx. 50-100 letter-size sheets. • Available in a variety of solid and translucent colors.