What’s included Approximately 50 clear self‑seal poly bags, ideal for protecting documents, clothing, or small items inside outer packaging. About 10 UPS/USPS-style poly mailers, suitable for lightweight shipments or returns. About 32 UPS Laboratory Pak overpacks, designed as outer envelopes for transporting exempt human or animal specimens using a properly packaged inner container. Condition and use All envelopes appear unused with intact peel‑and‑seal closures, ready for immediate use. Great bulk lot for small businesses, resellers, medical or lab offices, or anyone needing assorted protective shipping envelopes and overpacks.