First of all, these bags are terrific. I have them in black, blue, and purple. At $2.50, you can't get much more economical, and I'm happy with the quality at that price point. I gave them to all of my players and they are quite happy with the utility and bright coloration. The purple bag is definitely more muted than the picture - more of a merlot or darker grape color than the bright purple in the picture. Still very nice looking though.
They also tie up nicely with the draw string and are large enough to accommodate several (4+) 7-dice sets. Highly recommended!!!