Quality Park Redi-Strip Catalog Envelopes, "First Class" Print, 10"W x 13"H, White, 100/Pack

These Tyvek® envelopes provide superior puncture, tear and moisture protection. Features: Constructed from 18 lbs olefin Ten times stronger than paper envelopes Envelopes expand to hold bulky items Features self-seal closure

Features: Redi-Seal Envelopes save time on mail preparation No moisture needed to seal! Simply fold down the flap, press and envelope is ready to mail Constructed from durable, 28 lb. paper stock

Features: Traditional-style, economical envelopes for your everyday mailing needs Do not need moisture to close - just fold and press! Sturdy 24 lb. woven paper with super white 84 brightness Tinted lining ensures privacy of contents

Features: Tyvek® envelopes provide superior puncture, tear and moisture protection Constructed from 14 lb. olefin Ten times stronger than paper envelopes Feature a special seal that once broken, the word "Opened" appears in red on the flap

These Ship-Lite® envelopes are six times stronger than paper envelopes. Features: Made from white paper reinforced with mesh screen poly fibers Envelopes are moisture resistant Expandable envelopes are great for shipping books and other bulky items Features self-seal closure