Attributes . Heavy-Duty, 8 in (20.3 Cm) Wheels Afford Easy Mobility, Even Over Steps Or Curbing.Attached Hinged Lid Fits Tightly; Swings Back And Locks. Tough Dur-X(TM) Construction Lends Long Life. Rounded Corners And Smooth Contours Are Easy To Clean. Molded-In Axle Ret . Names