The perfect set! This new set includes a Round Crystal Gel humidifier that mounts with magnetic attachment, a bottle of Solution for Cigar Humidors (4 oz.), and the ultimate accu-cut cigar cutter - cut off the perfect amount each time. Madelaine, the leader in Propylene Glycol Solution, packaged this deluxe kit ideal for any cigar smoker. The gel crystals are enclosed in clear polycarbonate humidifier case. The humidifier have the crystals inside which will hold your solution; 3 oz. in the small and 5 ounces in the large humidifier . The crystals soak up the solution and it creates that wonderful gel which stays saturated with PG solution. Watch the crystals, when they shrink to about half their swelled size, re-charge them with PG Solution. With this humidifier you will never let your cigars go dry again! A magnet attachment system holds the unit firmly under the lid of your humidor.