From the Amazon listing:

• [ SLOW FEEDER FOR IMPROVING DIGESTION ] - Dog cat bowl perfect for fast eaters, makes mealtime last up to 5x longer, corrects gulping, prevents choking or bloat and indigestion
• [ ECO-FRIENDLY SLOW FEEDING DOG BOWL ] - Made of food grade melamine, a safe BPA-, PVC- and phthalate-free material, feel free to use, fits for all types of food, kibble or canned food
• [ HEAVY AND NO SKID ] - Melamine Slow Bowl is more heavy for the size to reduce tipping over, rubber feet reduces to moving across floor, keeping your room clean
• [ EASY TO CLEAN ] - Slow pet bowls are top rack dishwasher safe, which means it's quick and easy to keep everything clean and hygienic
• [ ANTI-CHOKING AND SLOW DOWN THE EATING TIME ] - Unique interactive jungle design, promotes healthy slow eating, helping prevent obesity, bloat, regurgitation and overeating