Excellent Material: The base of the cup brush is made of durable PVC plastic, which is very sturdy. The bristles are made of nylon, which is flexible and moderately stiff, ensuring that stubborn stains are removed and the brush will last longer.^ Double-sided brush design, no dead spots: the unique double-sided bristles of the cup brush make it easy to clean every inch of the cup. There is no need to expend extra effort on the corners.^ Suction cups: there are three large suction cups on the bottom of the brush, and the suction cup base will attach securely to a wall table top or to the bottom of the sink, simply place the Glassware slides in between two sets of bristles for easy access and cleaning.^ Removable and easy to clean: removable for cleaning, easy to store, takes up no space, easy to drain, clean and hygienic.^ A must-have for home kitchens and barstools: say goodbye to time-consuming and laborious cleaning! This product is suitable for a wide range of cleaning applications, such as bar counters, restaurant backstops, and home kitchens, and can be used to clean all types of cups and saucers. Such as baby bottles, wine glasses, teacups, coffee mugs, etc..Say goodbye to the old way of hand washing once and for all!!^