The Universal Self-Seal Business Envelopes are dependable and perfectly sized to accommodate folded letter-size documents. Side-seam construction and square flap deliver a polished look and solid protection to keep contents secure. The innovative double-flap, self-adhesive seal requires no moistening and stays sticky until use for mess-free handling. Ideal for business mail and correspondence.The Universal Self-Seal Business Envelopes are dependable and perfectly sized to accommodate folded letter-size documents. Side-seam construction and square flap deliver a polished look and solid protection to keep contents secure. The innovative double-flap, self-adhesive seal requires no moistening and stays sticky until use for mess-free handling. Ideal for business mail and correspondence.