No Messy Filling, Inner Fleece Fabric, Easy To Replace Squeakers, Quality Nontoxic Materials. Compare Material Dog Toys With All Others And You Can Easily See The Quality Difference. As A Bonus, All Our Material Dog Toys Come With A Free Replaceable Squeaker. To Replace Squeaker, Simply Pull The Hidden Inner Tabs On The Outside Of Toy, Remove Fleece Squeaker Pouch And Replace Squeaker.