The Best Rotary Flour Sifter is made of commercial-quality 18/8 stainless steel. It's guaranteed rustproof, with stainless reinforced wire mesh. For four decades, Best has built a reputation for quality as a leading manufacturer and supplier to the restaurant industry. Now you too can work with the same tools used by professionals. Best's reputation is backed by an unconditional guarantee. Dimensions: 6-1/8-Inch x 6-1/2-Inch Capacity: 8-Cups (when completely full)