EnvyPak Clear Booklet Envelopes, 10.25 x 13.25 Inches, 4.5 Mil Heavy Duty Polypropylene, Permanent Peel & Stick Closure, Fits 9.25 x 12.25 Inserts, Made in USA (500)

OVERSIZED FOR PREMIUM PROTECTION – Specifically designed with a generous 10.25 x 13.25 inch footprint, these envelopes are perfect for oversized catalogs, legal documents, presentation folders, and large marketing brochures. They comfortably hold inserts up to 9.25 x 12.25 inches without tight squeezing or edge damage. 100% CRYSTAL CLEAR VISIBILITY – Don’t let your best marketing materials hide behind paper. These high-gloss envelopes provide full transparency, allowing your vibrant graphics, covers, and photography to act as the "envelope design." Drive up to 40% higher engagement by letting recipients see exactly what’s inside. HEAVY-DUTY 4.5 MIL DURABILITY – These aren't flimsy poly bags. Constructed from premium 4.5 mil polypropylene, these envelopes offer a rigid, high-end feel that protects against moisture, tearing, and rough handling in the mail stream or while being carried in a briefcase. PERMANENT PEEL & SEAL CLOSURE – Features a secure, permanent adhesive strip that creates a tamper-evident seal. Simply peel the liner and press to close. The archival-safe material ensures that ink from your booklets won't lift or smear against the plastic, even during long-term storage. USPS APPROVED MATERIAL – These envelopes meet USPS material standards. They are 100% recyclable and proudly made in the USA, providing a professional and environmentally conscious solution for your business and personal needs.