Deep Ridge Cigarette Case (For King Size & 100's). Deep Ridge Cigarette Case. Cigarette Cases are always a classy way to hold on to your cigarettes and prevent them from getting crushed. Just flip the spring loaded lid open and retrieve your favorite cigarette. Our Deep ridge Cigarette Case can hold either regular cigarettes or 100mm cigarettes and hold up to 18 cigarettes all at once! Thatís 18 cigarettes protected from damage ready to smoke! The Deep ridges in this cigarette case actually function to protect your cigarettes too. The Cigarettes sit comfortably nestled in the ridge keeping them from rolling around in the case. This is a truly unique feature only found in this cigarette case!