Poly mailer envelopes measuring 12″ x 15.5″ (12×15.5 inches) Includes 100 mailing bags Color: White Self-sealing design with adhesive closure for quick packing Made to help protect shipments with a water-resistant and tear-resistant construction Suitable for packing and mailing clothing, books, magazines, documents, photos, makeup, cosmetics, supplies, small items, promotional materials, jewelry, and accessories Designed with a strong seal to help keep contents secure during shipping