Paper Envelopes

Paper Envelopes at Triplast

At Triplast, we offer a wide selection of high-quality paper envelopes suited for business, personal, and creative use. Whether you're mailing important documents, writing letters, or packaging promotional materials, our paper envelopes combine durability with a clean, professional look.

Ideal for Letters, Documents & Creative Uses

Our paper envelopes are available in a range of sizes to fit standard A4 paper, folded letters, or invitation cards. From C4 envelopes for full-sized documents to DL and C5 formats for folded sheets, we provide reliable solutions for all your mailing needs. Many customers use our kraft paper envelopes and writing paper and envelopes sets for both everyday correspondence and premium presentation.

Easy to Fold & Use

For creative projects or custom packaging, our paper envelopes are also suitable for envelope paper folding. Whether you're learning how to make an envelope out of A4 paper or folding a paper envelope for a gift, Triplast products give you the flexibility to do it all with ease.

Eco-Friendly & Recyclable

All our paper envelopes are made from recyclable materials, supporting sustainability while delivering dependable performance. If you’re looking for a way to stay eco-conscious in your packaging or stationery, our kraft and paper envelopes are the ideal solution.

Available in Bulk & Ready to Ship

Triplast supplies both small and large quantities of paper envelopes, making us a reliable partner for businesses, schools, and individuals. From folding a paper envelope to mailing important letters, you’ll find the quality and variety you need—all delivered quickly across the UK.