ADJUSTABLE DIFFICULTY LEVEL: The size of the two openings are adjustable so you can control how much & how quickly the treats are dispensed while your dog or cat plays with it. The adjustable difficulty makes the puzzle more fun and challenging as your pet grows. Always supervise your pet while in use. EASY TO USE AND CLEAN DOG & CAT PUZZLE TOYS: Put your pet's favorite dry treats or kibbles in the ball and watch them play. The treat ball can be easily dissembled into 3 parts and be cleaned thoroughly. Made from durable hard plastic that cleans easily. Rinse in warm soapy water and dry after use. DURABLE ACTIVITY BALL: This treat dispenser for dogs and cats is made with high quality plastic and has a solid construction. You pet can drop it or knock it around without cracking the activity ball. No parts that can be easily removed and swallowed; no holes big enough to trap doggie jaws. INTERACTIVE DOG TOY FOR PROLONGED PLAY: Reward your dog or cat during playtime by putting treats in the activity ball. Challenge your pet and extend the playtime by adjusting the size of the openings. PLEASE ALWAYS SUPERVISE YOUR PET WHILE IN USE. SLOWER HEALTHIER FEEDING: Promote better digestion and slow down the feeding time by putting the kibbles in the activity treat ball. The activity ball is a clean & fun alternative to slow feeder dog bowls, lick mats, and snuffle mat for dogs. A treat ball that can be used as a slow feeder to promote better digestion. You can make it more challenging and extend the playtime by adjusting the size of the two openings. The puzzle toy is easy to assemble and is made with durable plastic that is easy to clean.