Extra Large Cardboard Envelopes
These envelopes are a great way to keep your documents/products safe, with superior
product protection, a tamper proof seal and a coated surface for excellent printing and label bonding properties.
The dimensions are 381 x 508mm and this size will hold up to an A3 strut mount or photo folder or a 15x20" photograph.
They are manufactured with premium grade 500 micron, 350gsm, GD2 fully coated white lined chip board, with hot melt glued seems and super high tack
hot melt permanent adhesive peel and seal flaps and an easy lift silicone strip.