Durable 12" x 9" mailer that easily accommodates any letter-sized material. Standard product features a permanent peel and seal adhesive strip for closure on the LONG side.
Like all EnvyPak products, it can be printed with high resolution graphics to maximize the impact of your direct mail. Like regular polypropylene, bio poly is USPS 100 approved. EnvyPak mailers can be made in virtually any size and easily constructed to open on either the long or short side.