For a better exprience: 1) Clean dog food dish or food bowl 2) Rinse the inside of the suction cup on the slow feeder dog bowl insert under warm water and shake off all excess water 3) Press the suction cup firmly in place on the base of your clean dog dish, making sure there are no air bubbles. A good dog bowl slow feeder insert is safe for your dog, convenient for you. Convenient and easy to clean: Simple but effective construction of our slow feeder dog bowls allows you to easily remove food residue whether by hand washing or machine washing. Besides, with its powerful suction cups, our premium Slow Dog Feeder Insert adheres to any bowl – metal, ceramic, or plastic, without coming loose or sliding around, you don't worry about your dog will pull the dog slow feeder out of the bowl. One insert meet all your needs: This dog bowl slow feeder insert can easily fit into most sized dog bowls, but the ideal sized dog dishes is 4.5" - 7" in diameter, you can trim it along clearly marked cut lines to custom fit the smaller bowls. Please Note this is not a chew toy and should not be left in dog bowls especially with aggressive chewers. Please always supervise your pet while in use. Safe is necessary: Made of a food safe silicone material that is BPA, PVC, and phthalate free, our durable slow feeder dog bowl insert has 5 flexible silicone dividers with 4mm thick. It is soft enough for safety that can avoid scratching the dog mouth, noise and tougue. Suitable for wet dog food, dry dog food, and dog treats. We suggest that when the food has been eaten, remove and store dog bowl to slow down eating elsewhere to avoid chewing. Slow feeder insert - protect your pets' health: Does your dog gulp down food, then promptly get sick – choking, gagging, even vomitingJust use this slow feeder insert to the bottom of the dog bowl, its unique design allows dogs to effectively slow down their eating which in turn can help aid in proper digestion, choking, and overeating. It is flexible and easy to secure to most dog food bowls, this slow feeder obveriously can feet all your daily dog feeding needs.