Chat with us, powered by LiveChat Black Large Letter Cardboard Envelopes - C4 Sizes Stocked
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Black Large Letter Cardboard Envelopes

From as little as £8.50 per box of 100

Black Large Letter Cardboard Envelopes are perfect for giving your mail a smart look when sending a range of thin or flat items and keeping your postal costs to a minimum. Our black large letter cardboard envelope range comprises C4 board backed envelopes; combining a robust black backing board with a smart and strong black paper front to keep your A4 sized important documents flat during transit and are lightweight and sized to comply with Royal Mail sizing to keep your postal costs to a minimum. These black large letter cardboard envelopes have a peel and seal adhesive strip closure to make packing quick, and provide a secure seal without the need for additional adhesives. An excellent eco-friendly solution, these black large letter envelopes are recyclable, biodegradable, and completely plastic free.

Please note: Large Letter sizing is up to 353 x 250 x 25mm with a 750g weight limit.

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