Quality Park Redi-Strip Catalog Envelopes in white wove, sized 10" x 13" (#13 1/2). These envelopes feature a peel-away Redi-Strip self-seal closure that provides a clean, secure seal without moisture. Made from durable 28 lb white wove paper, they open on the long side for easy insertion and retrieval of documents, contracts, and other important paperwork. The white surface ensures labeling and writing remain clear and legible. Each box contains 100 envelopes. Made in the USA.