Description This item is made by stainless steel. Such advanced design can improve thinking ability of your pet for finding ways to take foods out and reduce wrong action caused by boredom. This is an feeder for cockatoo, mini macaw, cockatiel, conure, etc. Features - Color: As shown. - Material: Stainless steel - Size S: inside diameter: 12cm; deep: 4cm; weight: 150g. - Size M: inside diameter: 14cm; deep: 5cm; weight: 180g. - Size L: inside diameter: 16cm; deep: 5.5cm; weight: 210g. - Safe stainless steel material for feeding. - Durable use and easy to clean. - Prevent negative behavior of your parrot from boredom. - Educational toy for thinking about how to take food out. - Perfect bird feeder for cockatoo, mini macaw, cockatiel, conure, etc. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Safe stainless steel material for feeding. Durable use and easy to clean. Prevent negative behavior of your parrot from boredom. Educational toy for thinking about how to take food out. Perfect bird feeder for cockatoo, mini macaw, cockatiel, conure, etc.