Coming with a built in hygrometer, this tube is convenient to carry around a trip and protects the cigar from being damaged. When you place the cigar inside the tube, the hygrometer on top will indicate the cigar's readiness to be smoked. The sealing of the tube will guarantee the cigar's freshness for at least 72 hours. This tube provides the perfect means to enjoy a cigar during a short trip or smoke break at the office. Adjusts to hold Robusto, Toro & Churchill with ring guages up to 68.