Quality Park No. 9 Security Tint Envelopes with Tampe- Evident Seal - 500 / BX - #9 - 8 7/8 Width x 3 7/8 Length - 24 lb - 500 / Box - White

Reveal-n-Seal Envelopes with double windows feature a unique adhesive that provides strong, moisture-free secure seal and an extended shelf life. You'll have no removable strip to throw away. Inside tint and perforations along flap reveal any tampering. No. 9 envelopes are compatible with most standard 8-1/2" x 11" invoices and statements. 24 lb.

• Double-window design positioned from the left to display sender and receiver addresses for invoices and billing statements
• Reveal-N-Seal closure with tamper-evident, perforated seal; close without moisture - simply press the flaps together for a permanent seal
• Reflex blue pattern obscures details of the contents even when held up to light
• Made of 24 lb. white wove paper with side seams for a professional look