No. 10 Self Sealing Business Sized Envelopes Regular No. 10 business sized self sealing envelopes, are printed with your business name and return address in one color. The flap is designed as self seal so there is no need to moisten the flap. Simply apply pressure and your custom printed #10 envelope is sealed and ready to be mailed. Self seal envelopes are printed on 24# white recovery which meets or exceeds the 30% recycled content guidelines for EPA.
