A large rigid envelope made from e-flute corrugated cardboard with a brown kraft finish. These big board envelopes will pack items up to 20" x 28" making then one of the biggest cardboard envelopes on the market.

Strong stiff envelopes in a wallet style and made from corrugated E-flute cardboard. Fluted cardboard envelopes are stiffer than other board envelopes making them ideal for keeping items crease free.

A good quality rigid envelope that will take A3 size items up to 50mm thick. A strong courier envelope that is made from recyclable cardboard that contains over 50% recycled fibre, making it a great eco-conscious choice for those wanting an eco friendly mailer.

A postal mailer that will fit within the Royal Mail large letter restrictions. A maxi pip envelope made from strong corrugated cardboard for keeping your items crease free while travelling through the royal mail postal system.

A C4 corrugated envelope for mailing documents, files, folders, and foolscap through the post. The rigid e-fluted board keeps contents crease free and protects corners from impact damage. Also includes capacity creases for increased depth mailings.

An A4 cardboard envelope in a corrugated cardboard with a premium kraft finish. A4 mailers will fit A4 prints and documents keeping them flat and crease free while in storage or in the post. Recyclable, biodegradable, and compostable for the eco-conscious choice.

A handy little corrugated envelope for sending a range of small online orders.
- Just over 19p when ordering pallet quantities (70+ Boxes) with our top tier 30% discount!
- Premium kraft E-flute material for a high quality postal envelope.
- Easy pop-up to 50mm capacity for larger items.
- Good corner protection.
- Peel & seal closure with handy tear opening.
- Discounted pricing on pallet quantities - 70 boxes per pallet.