What does this cost to the nearest dollar?

Title: Mead #10 Security Self‑Seal Envelopes  
Category: Stationery  
Brand: Mead  
Description: Secure, windowless mailing envelopes that keep confidential documents hidden from prying eyes.  
Details: Thick, opaque white paper with self‑sealing adhesive, 4 ¼ × 9½″, 500 pack, ideal for high‑volume business and legal mail.

Price is $