Quality Park Regular Security Side Seam Envelopes - 500 / BX - Security - #6 3/4 - 3 5/8 Width x 6 1/2 Length - 24 lb - Wove - 500 / Box - White

Security business envelopes feature a blue inside tint to protect your privacy. No. 6-3/4 envelopes include white wove 24 lb. stock and a contemporary seam.

• 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
• Contemporary side seam and bright-white stock for a modern, professional look
• Made from premium, 24 lb. white wove paper that's perfect for everyday business use