The glass cylinder is 7 1/2 inch by 3 inch. White River Designs LLC. White River Studios is located in the Ozark Mountains where they are inspired by nature. Hand-crafting natural elements are used to make the butterflies. QUESTIONS & ANSWERS ABOUT LIFETIME CANDLES: How long will they last & burn? The candles will continue to look pretty year after year. The highest quality of elements are processed and preserved prior to adding the oil. The fiberglass wick will not need to be replaced. The fiberglass wick will absorb and burn the oil (paraffin) without the wick burning. Each candle varies in design.