A great way of expressing longer sentiments - up to 244 characters with a 8cm diameter. Your text will be repeated as many times as it will fit (with at least 0.5cm separation between each repetition). Width of the band is 1.1cm, and the text height is ~0.5cm.
For a cheaper option, see my Mobius Text Napkin Ring (http://www.shapeways.com/model/182784/mobius_text_napkin_ring.html?gid=ug28511).
NOTE: It's possible that this isn't printable in stainless steel, as the wall thicknesses are below the recommended limit of 3mm for this material.