Votive candles fit in these just perfectly, either the straight sided or the tapered ones. These sleeves must be used covering glass encased candles. Do not use around bare candles. Will accept real or battery candles. Product is made from Hard Maple Wood, and the rings are 3D printed out of PLA filament. After assembly they are finished with a Gloss Lacquer top coat. Different colored rings are available. Make choice when ordering. Dimensions are; OD = 3.5" ID = 2.5" Height = 3.25"