Office Depot White Clean Seal Catalog Envelope 6" x 9" Box Of 100, made from white wove paper for durability, form a secure seal quickly, with no moisture required. Allows you to fill envelopes quickly and easily. Large-format, open end design accommodates books and catalogs. White wove paper for elegance and durability. Substantial 28 lb stock feels impressive. Eco-conscious choice has one or more meaningful eco-attributes or eco-labels. Recycled helps you save resources and avoid waste. Product contains 30% postconsumer recycled content.