Briwax Shellac Sanding Sealer is a traditional sealer manufactured from natural shellac and does not contain any fillers. It is particularly suitable under shellac finishes like French and button polish. It is also the ideal sealer under wax polish to produce a higher shine which does not sink away. It is easy to apply with brush or rag, is fast drying and can be overcoated in just 30 minutes. Size: 500ml.