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

No. 6-3/4 Security Tinted Business Envelopes are ideal for self-addressed and business reply envelopes. They fit easily inside a No. 9 or No. 10 envelope. Blue security tint ensures privacy throughout the mailing process. Bright-white, 24 lb. wove stock creates a professional impression that lasts. Send out billing correspondence with the confidence you get from these premium-quality envelopes. Security tint protects the details of your contents even when held up to light.