Material: felt cloth Size: 15cm or 20cm(optional) 1.Great Choice for Fast Eaters: Dog toy ball is a unique treat dispensing dog toy with many blooming structure portals equipped to hold delicious bits of a dog's favorite kibble or treat. By keeping him engaged he'll slow down eating speed stay happy and healthy, and less prone to bored, destructive behavior 2.Enviromentally Healthy Fabric Material: Made with food-safe non-toxic and durable high-quality felt cloth spliced together materials that you can trust for your dog. 3.MAKES FEEDING FUN: IT'S FUN. IT FEEDS. It's a challenge your dog needsTreat Puzzle Games fight boredom, help reduce destructive behaviors & exercise your dog's mind. It's hide & seek with treats, and dogs love it. 4.EASY TO CLEAN AND PLAY OUTSIDE: To wash, the high-quality felt cloth material makes cleaning more convenient. It can be used for washing in the washing machine. Fill again for more funIts unique foldable design, you can easily fold the dog treat toy and take it to the park for improving your dog interactive skill with this enrichment toy. 5.All dog and cat fun:Fun for all dogs and cats, regardless of age, size or breed. The treat ball is a great way to bond with your dog and cat while teaching basic training commands in a fun way.