Find the perfect partner for letter writing with our collection of classic plain envelopes. Renowned for Smythson's quality and design, all our envelopes are lovingly handcrafted using quality materials. Choose an envelope design that perfectly matches your writing paper with a variety of elegant colours, including our iconic Nile Blue and Bond Street Blue. You can also select between King and A4 sizes. Grow your Smythson stationery collection with our correspondence cards, classic notebooks, and more.