Quality Park No. 6-3/4 Security Tinted Envelopes with Gummed Closure

Security - #6 3/4 - 3 5/8" Width x 6 1/2" Length - 24 lb - White - Wove - 500 / Box. Ideal for self-addressed and business reply envelopes; fits in No. 9 and No. 10 envelopes. Security-tinted with reflex blue pattern to make it impossible to see details of the contents even when help up to the light; fully gummed flap for a secure seal.