Vivanco vacuum bags are designed to make it easy for the consumer to find the correct vacuum bag without paying to much.  Vivanco specializes in accessories for some of the most popular mainstream vacuums on the market.  Unlike the manufactures of vacuums who only make bags for their particular brand; Vivanco makes a wide range of bags for all brands.  This is good for the consumer because it drives prices down through competition.

They color code their bags by brand names, and have bags that will fit 80% of the best selling vacuum cleaners on the market.