This is the Tamiya Weathering Master D Set.

Features:
Adds realistic weathered effects to tank models
Semi-wet material adheres well and will not run into surrounding areas

Includes:
One section of the following weathering material

Burnt Blue (for blue tinted burned metal finish)
Burnt Red (for orange tinted burned metal finish)
Oil Stain (for oil stain effect)
Applicator tool

Specifications:
Case Size; Length: 3-1/4in (82mm)
Width: 2in (51mm)
Height: 3/8in (9mm)