Blake Premium Secure Envelope C4 125gsm Peel and Seal Pack of 125

One of the strongest envelopes in the world, Blake Premium Secure Envelopes will resist tearing under the strongest of hands. Unique to Blake, these paper pocket envelopes are tear-resistant, water impermeable, burst-resistant, greaseproof, completely opaque and fully overprintable - a must-have for sending confidential and sensitive documents, high value items, price lists, brochures, electronic media and more.

. High strength paper-based pocket envelope
. Extremely tear-resistant
. Water impermeable
. Greaseproof
. Tamper-evident
. Printed blue opaque for security
. Hot melt peel and seal flap for secure sealing
. Digital printer safe
. Size: C4 (324 x 229)
. 125gsm paper
. White
. Pack of 125