Survivor® 9-1/2 x 12-1/2 First Class Border Catalog Mailers with Redi-Strip Closure

First Class Mail - #12 1/2 - 9 1/2" Width x 12 1/2" Length - 14 lb - Peel & Seal - White - Tyvek - 100 / Box. Made with durable yet lightweight, 14 lb. DuPont Tyvek that's tough enough to resist punctures, tears, moisture and chemicals for long-lasting performance. Release strip so the recipient can easily access the contents yet maintain a secure close.