Specs:Fits: 1.55" wheelsSize: 4.19" x 1.38" (106x35mm)Includes:2x HUSTLER M/T Xtreme Baby crawler tires2x Dual Stage Open/Closed Cell foam inserts2x Scale Tire Decal Sheet1x Decal SheetCompound: Snail Slime¢âMade in TaiwanSpare Part:1.9" Dual Stage Open/Close Cell Foam for 4.19" Tire #BRTR29003