Quality Park 10 x 13 Heavy-Duty Clasp Envelopes - Clasp - #97 - 10in Width x 13in Length - Clasp/Gummed Flap - 100 / Box

Gummed flap creates permanent seal for safe shipping Large opening to help reduce tears when inserting and removing papers Thick paper prevents visibility of your private documents Clasp closure to easily reopen flap when needed