Note: There are original replaceable tires for sale, you can copy the link below to buy if you need it
https:///item/1005001970106761.html?spm=5261.ProductManageOnline.0.0.5b504edf3Q0Zqa
Product description
Usage :pet playing and trainingSize :15*6.5 cmMaterial:FDA class plastic and rubberAdvantage:Attractive / interactive