Quality Park Flap-Stik Open-end Envelopes Catalog - #13 1/2 - 10" Width x 13" Length - 14 lb - Peel & Seal - Tyvek - 50 / Box - White

Patented release strip makes these open-end catalog envelopes easy to open. Convenient Flap-Stik closure does not require moisture to seal. Envelopes are made of DuPont Tyvek won't rip, tear or puncture. They are much stronger and more secure than traditional paper envelopes. Water-resistant and moisture-resistant envelopes are lightweight to save on postage costs. Envelopes are easy to use. Simply peel and seal.

Product Type - Envelopes/Mailers-Catalog Envelopes Seam Type - Center Flap Type - Square Trade Size - 13 1/2 Security Tinted - No Opening - Open End Closure - Redi-Strip Exterior Materials - DuPont Tyvek Basis Weight - 14 lb Exterior Dimensions - 10 x 13 Colors - White Color Family - White Format/border - Standard Format, No Border Pre-consumer Recycled Content Percent - 0% Post-consumer Recycled Content Percent - 0% Total Recycled Content Percent - 0%