Hydra Cup 2.0 - 28oz High Performance Dual Shaker Bottle, Leak Proof, Awesome Colors, 100% American Made Shaker Cup, Save Time & Be Prepared. (1 bottle, Stealth Black) Great solution for elegant storage of razor and shaving brush Facilitates air drying for longer brush life and better hygiene Weighted base for stability with Rubber like, non-slip sole. IF STEM LOOSENS, POP OUT THE SOLE AND TIGHTEN SCREW. AS, YOU CAN SEE IN THE PHOTO. Fits most brush and razor models. PLEASE NOTE: Although it fits almost all razors and brushes, it cannot possibly fit every type of razor and brush. PLEASE MEASURE YOUR BRUSH AND RAZOR BEFORE PURCHASING. If it still does not fit, then simply return it to Amazon.(The brush opening is a bit over 1 inch, and the opening for the razor is about 1/2 inch.) Rubber like, non-slip sole. If the stem loosens ( which sometimes happens during shipping) simply pry off the foam bottom ( with you finger nails or a kitchen knife) and tighten the screw on the bottom!