Only the right amount of water will come out, when dog licking the floating disk. No spill dog water bowl slow down the pet drinking speed with floating disk deign.The floating disk of cats water bowl for car can control water easily and then prevent large area of water from wetting pet mouth hairs. Keep your pet hair dry and tinted.The floating disk could effectively prevent the dust, dirt, and pet hair from falling into the water to affect water quality.There are 4 non-slip pads on the bottom to keep the bowl stable and prevents it from sliding around while the dogs are drinking.The upper strip, floating disk and non-slip base can effectively prevent water from splashing and overflowing. Perfect for using in Car, SUV and Truck.