Purely Everyday Mailer Gummed Reverse Window White C5 162X229 100GSM Box of 500

Amazon

Gummed flap for a long shelf life and reliable sealing High quality 100 gsm paper Perfect for business correspondance, letters, brochures and more Reverse Window: 45 x 90mm, 60 up, 20 left

Zoro Tools

Mailing wallets with an obvious difference. The front is all yours to print your message, without losing the cost saving advantages of machine insertion.