To optimize burn time, and achieve close to 15 hours of burning, you MUST burn a votive candle in a glass, (or other material), votive holder. These candles are clean burning. They are made of paraffin wax, with cotton wicks and a sculpted outer finish. There are 10 Orange 10 Black candles per box, equaling 20 total candles. Votive Candles should ALWAYS be burned in a votive candle holder, to contain the melting wax pool that provides fuel to the flame, or they will drip where you probably don't want candle drippings. Made in the USA Each Box Contains 10 Orange 10 Black Votive Candles 2 Inches Tall x 1oe Inches Wide for a Total of 20 Candles With Sculpted Outer Finish These Votive Candles are Lightly Scented, The Orange Color is Pumpkin Scented and the Black Color is Night Magic Scented These Votive Candles Burn Up To 15 Hours When Burned in a Votive Candle Holder. ALWAYS Burn in a Votive Holder to Contain a Melting Wax Pool Fueling the Flame Clean Burning Candles, Made in the USA From Paraffin Wax with Cotton Wicks