Pack of 45 Quality Park open side booklet white envelopes. Perfect for home, office or business. Measuring 6×9 inches, gummed flap,l, these envelopes are perfect for sending documents and other important materials. Made by a trusted brand, Quality Park, these envelopes are sure to provide durability and reliability during shipping and handling. The model number for this pack is 37113. We appreciate your business. Questions welcome and answered promptly. Packed with care and shipped fast!