9" x 12" Polypropylene Catalog Envelope Crystal Clear, Auto-Insertable (8.5" x 11″ Insert Size) - Box of 500$$Office

INCLUDES 500 CLEAR ENVELOPES - each measures 12" x 9" with the flap folded over MATERIALS USED FOR CONSTRUCTION OF THE ENVELOPE HAVE BEEN FULLY APPROVED BY THE USPS. THE ENVELOPE IS MADE TO HOLD AN 8.5" x 11" OR SMALLER INSERT. HEAVY DUTY 4 MIL POLYPROPYLENE MATERIALS - ensures that the package will withstand the rigors of postal processing ENVELOPE CAN BE EASILY SEALED WITH WAFER SEALS OR STICKERS - these are ideal for automated insertion equipment can be also be inserted by hand. PROUDLY MADE IN THE USA - in Marysville, Ohio