Envelope. 1980 x 1980mm Give your beds a final touch of luxury with the Mitre Essential Temir envelope duvet cover in rich navy. The smart and sophisticated colourway is perfect for adding a dash of style to any bedroom, while the 100% polyester design makes it durable enough for everyday use in the busiest of hospitality environments. Finished with an easy-on envelope design, the Temir is the perfect duvet cover for busy inns and hotels looks for durability with style to match.