This Stayflats RM2W Flat Mailer is the perfect solution for your shipping and packing needs. With a size of 9″ x 11-1/2″ and made of durable chipboard material, this flat mailer is ideal for carrying your documents and packages safely and securely. The mailer envelope features a closure and is designed for easy handling, making it a great choice for businesses and individuals alike. This product is made in the US and complies with California Prop 65 Warning. The Stayflats RM2W Flat Mailer is a reliable and efficient option for your mailing needs, whether you are sending documents or packages. Order now and enjoy the convenience of this high-quality mailer!