Tufpac 278mm x 400mm Capacity Cardboard Envelope (Box of 100)

Oversize solid board cardboard envelope mailer for sending small online orders and larger books. These biodegradable & compostable book envelopes are made from stiff cardboard with a very high recycled fibre content, a great eco-conscious choice.

£ 51.17 £ 51.17 51.17 GBP per Box(s)

£ 51.17

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    278mm x 400mm Capacity Book Mailer Envelope

    A 278mm x 400mm size capacity book mailer envelope for packing larger size books, prints, and other similar items. Our capacity envelopes are manufactured from 400gsm solid wall cardboard for a premium grade mailer that is just 2mm thick. This thin but strong mailer allows you to save on postage costs and protect your products better. Solid board capacity mailers are a great alternative to bubble lined mailers, they offer greater rigidity, higher corner impact protection, and are fully recyclable and compostable. 

    Capacity Book Mailer Envelope Key Features

     - Rigid and durable 400gsm solid wall cardboard.

     - Capacity creases give a capacity up to 50mm thick.

     - An eco-friendly mailer made from recycled material - fully recyclable, and biodegradable.

     - Quick and easy peel & seal closure for super fast packing.

     - Frustration free easy-tear opening for happy customers.


    Bulk Buy Pricing on 287 x 400mm Capacity Envelopes

    287 x 400mm capacity envelopes are available to buy in bulk pallet quantities for those looking for wholesale rates. We supply many of these throughout the UK so are a very competitive source for large quantities.


    Box of 100Pallet of 4500Multiple Pallets
    51.2p each33p eachCall our team for prices


    278 x 400mm Capacity Envelope Specifications


    Product Code: TPSBE30


    Internal Dimensions:

    Length: 400mm*

    Width: 278mm*

    Depth: up to 40mm

    *Length and width will decrease as depth increases


    Material: Solid Board 400gsm

    Weight of Mailer: 103g (0.103 kg)

    Finish: Brown


    Quantity per Pack: 100

    Quantity per Pallet: 4'500 (45 packs)


    Royal Mail Postal Size: Small Parcel


    Easy Open Tear Strip: Yes

    Self Seal Strip: Yes


    Eco Packaging Score: 3/5

     - Recyclable: Yes

     - Biodegradable: Yes

     - Sustainable Materials: Yes

     - Plastic Free: No

     - Carbon Neutral: No

    People who purchased this item found it by searching for: TPSBE30, large book mailers, Solid Board Envelopes, Mail Jacket Size 3, Amazon Style Mailers Size 3, Print Mailers, MailJacket Size 3, 278 x 400mm, MJ3, Capacity Envelope Mailers, Lil A4