Containing 115ml of vdust plus liquid 115ml of sensor clean liquid and a 5 pack of 16x green vswabs the visible dust dual power regular strength kit is ideal if you dont know the cause of the stain on your sensor the multi ingredient alcoholic vdust plus liquid is suitable for removing oil and evaporates fast after use whereas the sensor clean liquid is best used on water based stains and light dust contamination use with the green vswabs for a streak free easy application