TRIPLE PRIO A4 C4 White Peel and Seal Pocket Envelopes 229 x 324 mm - Secure Self Seal No Window Design - Pack of (100)SECURITY TINTED Our premium business envelopes are designed with a security tint pattern to protect sensitive data inside the documents. QUICK PEEL AND SEAL CLOSURE Each envelope has an ultra strong self seal adhesive strip that requires no moisture. NO WINDOW DESIGN Manufactured with a windowless front panel for easy printing, labeling, stamps or hand addressing, perfect for quick, mass, home and business mailings. LONG LASTING SUPPLY Packs of 25, 50