INDESTRUCTIBLE DUPONT DESIGN ? Lightweight But Strong, Durable Tyvek Material Resists Ripping, Tearing, Punctures, Rain, Moisture & Other Common Postal Threats
SUPERIOR SHIPPING PROTECTION ? Double Reinforced Construction, Opaque Color & Super Sticky Glue Offers Maximum Security for Confidential Business Mail
CONVENIENT SELF SEAL CLOSURE ? Peel Back the Sticker to Quickly & Effortlessly Seal & Send; Open End Catalog Orientation Enables Fast Paper & Packet Stuffing
HEAVY DUTY ENVELOPES ? They are Practically Indestructible and provide superior protection from tears, punctures and moisture; Also, they are self-sealing and secure
