Best Blake Envelopes of 2026

The Blake Envelopes Pack offers a secure peel and seal closure, ensuring ease of use and added security for your important documents. Made from high-quality 100 gsm paper, these envelopes are perfect for business correspondence, letters, brochures, and more. You will appreciate their suitability for printing, allowing for custom designs and branding. With this pack of 500, you'll have plenty of envelopes ready for any occasion, enhancing your organisational efficiency.

The Blake Self Seal Envelopes are perfect for your everyday office mailings. With their self-seal feature, you can save time and effort, ensuring your documents are securely enclosed without the need for additional adhesives. The security opaque design keeps your contents private, providing peace of mind when sending sensitive information. Additionally, these envelopes come in a convenient pack of 100, allowing you to handle large volumes of mail easily. Their versatile size of 110 x 220 mm makes them suitable for a variety of documents.

The Blake DL Envelopes are designed for your everyday mailing needs. With an easy-to-use self seal closure, you can securely send your letters and documents without fuss. Made from high-quality 80 gsm paper, these envelopes provide a professional feel for all your correspondence. Ideal for business letters, brochures, and more, this handy pack of 50 ensures you always have enough on hand. Plus, the DL size is perfect for A4 sheets folded into thirds, making it a convenient choice for various tasks.

The Blake C5 Envelopes are designed for your convenience and security. With a secure peel and seal closure, you can quickly and easily seal your correspondence, ensuring your letters and brochures stay protected. Made from high-quality 100 gsm paper, these envelopes provide a professional look and feel, making them perfect for business communication. Their crisp white colour ensures that your documents stand out, while their robust construction means they have an extended shelf life, ready for when you need them.

The Blake C5 Envelopes are perfect for your everyday mailing needs. With a self-seal feature, you can quickly and securely close envelopes without the hassle of wetting a flap. Their C5 size is ideal for A5 documents, making them versatile for various correspondence. You will also appreciate the 100gsm paper weight, which provides sturdiness and a professional feel. Easy to use, these envelopes streamline your mailing process, saving you time and effort.

The Blake Business Envelopes offer a professional touch to your mail with their luxurious premium design. Featuring a secure Peel & Seal closure, these envelopes allow you to seal your documents quickly and safely, giving you peace of mind. They are suitable for Digital, Inkjet, and Laser printing, making it easy for you to personalise or address them. Made from quality 120 gsm FSC Certified Paper, these envelopes provide durability while being environmentally responsible.

The Blake C5 Envelopes are perfect for your everyday mailing needs. These pocket peel and seal envelopes measure 229 x 162 mm, making them ideal for sending invoices, letters, and brochures. With a pack of 100, you will always have enough on hand for your correspondence. Crafted from quality 100 gsm paper, these envelopes provide a sturdy and professional appearance, ensuring your documents arrive in excellent condition.

The Blake C4 Envelopes are designed for convenience and efficiency. Featuring a peel and seal closure, these envelopes allow you to securely seal your contents without the need for messy adhesives. Made from high-quality 140gsm paper, they provide a sturdy option for mailing important documents like catalogues and books. The size of 324 x 229 x 25 mm is practical for various uses, ensuring your documents remain protected during transit. With a pack of 125, you’ll have plenty of envelopes ready for your mailing needs.

The Blake Envelopes Pack offers a secure peel and seal closure, making it easy for you to seal your correspondence without any fuss. Crafted from high-quality 100 gsm paper, these envelopes are perfect for all your business needs, ensuring a professional appearance. You can also print directly onto them, which is ideal for custom branding or addressing. Additionally, the window size of 3.5 × 9 centimetres allows for clear visibility of your letters or brochures, enhancing your communication efforts.

The Blake Pocket Envelopes are high-quality 100gsm white envelopes that are perfect for your everyday mailing needs. The easy-to-use self-seal feature ensures that you can securely seal your items without any hassle. These envelopes are also suitable for printing, making them a great choice for personalised correspondence or branded materials. With a generous pack of 250, you will have plenty of envelopes to handle all your mailing tasks efficiently.