Quality Park Survivor Tyvek First Class Envelopes First Class Mail - #12 1/2 - 9 1/2" Width x 12 1/2" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White

Patented release strip makes these open-end catalog envelopes easy to open. Convenient Flap-Stik closure does not require moisture to seal. First-class envelopes 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 - 12 1/2
• Security Tinted - No
• Opening - Open End
• Closure - Redi-Strip
• Exterior Materials - DuPont Tyvek
• Basis Weight - 14 lb
• Exterior Dimensions - 9.5 x 12.5
• Colors - White
• Color Family - White
• Format/border - USPS First Class Mail Format & Border
• Preprinted Message - First Class Mail
• Pre-consumer Recycled Content Percent - 0%
• Post-consumer Recycled Content Percent - 0%
• Total Recycled Content Percent - 0%