📬 Ship with Confidence: Your Items, Our Priority! Pure black inner lining ensures confidentiality of contents. Ideal for shipping soft items like clothing and accessories. Self-adhesive closure means no licking or water needed. 24-hour customer service for any inquiries or concerns. Crafted from 100% virgin polyethylene for superior strength. 2.3 mil thickness 100 pack Self-sealing The RUSPEPA Poly Mailer Shipping Bag is a premium, heavy-duty self-sealing envelope designed for secure and efficient shipping. With a 2.3 mil thickness and a 100-pack offering, these envelopes are perfect for a variety of soft items while ensuring privacy and durability.