- Internal Measurements 340x500x50mm (approx. A3 )
- Height adjustable by up to 50mm
- Self Sealing
- Strong, bend resistant
- Book Envelope
Strong, height adjustable, cardboard envelopes offering excellent protection for bulky documents, catalogues, photos, brochures or anything that needs to stay flat. They are resistant to bending and have reinforced edges all round. They self seal and have an easy tear off strip for opening. The perfect book envelope for large books - This size is approximately A3.