At Colour Envelopes, we stock the widest range of brown ribbed envelopes in all the most popular sizes including C4/A4, C5/A5, C6/A6, DL, square and greeting card envelope sizes. All available direct from stock with no minimum order quantities. Available in a standard 100gsm paper and with a traditional diamond flap gummed seal or straight edge peel and seal strip, you are sure to find what you need from within our brown ribbed envelope range.