This is the JConcepts Illuzion Overtray for the Traxxas Rally, Slash 4x4 Ultimate low CG chassis FEATURES: Fits under body to prevent dirt buildup when racing on a loamy or loose dirt track Clear polycarbonate material can be painted or wrapped Extra height offers room for various electrical and battery applications INCLUDES: Overtray with decal sheet REQUIRES: Body Scissors, DTXR1150 Polycarbonate safe spray or brush-on paint SPECS: Length: 12" (305mm) Width: 6.25" (159mm) Height: 2.7" (68mm)