Details: 12 1/4 x 9 3/4" White Utility Flat Mailers. Save money on shipping with these lightweight, economical mailers! Mailers are made from .018 Chipboard, 100% recycled paperboard and are 100% recyclable. Side loading design. Feature convenient, pressure sensitive closure and tear strip for easy opening. Ideal for mailing soft goods, photographs, documents and promotional items. Made in the USA!