Blake Corrugated Board Envelopes 353 x 250mm A4Plus (100 Pack) PCE40

This quality envelope is made from rigid, corrugated cardboard for extra strength and security in transit. The envelope features a simple and secure peel and seal closure, and a handy, tamper evident rip strip opening. This pack contains 100 board envelopes measuring 353 x 250mm and is suitable for A4 documents.