com/product/image/600x600/ENV-03/ENV-03-1.com,BuS_New,2024-12-11T03:15:28.awltovhc.Envelope Size Class: #9 Envelope Closure: Moisture Seal Paper Weight: 24 lb These #9 Security Envelopes feature a tinted interior lining to keep sensitive information private and secure and are perfect for a variety of applications.