Hotspot Slate Oil seals and protects tired looking slate, enhancing its natural beauty. It may slightly deepen the natural colour. Hotspot Slate Oil repels dirt and water whilst allowing slate to breathe. Made in the UK. Size: 100ml. Usage Instructions: 1. Shake bottle well before use. 2. Cover and protect all fabrics, carpets etc. 3. Ensure surface is clean, dust and grease free. 4. Using a soft lint free cloth apply evenly and sparingly. 5. Allow 2 hours to touch dry. N.B It is recommended that a small area is tested prior to complete application. Hotspot Slate Oil can be slightly thinned using white spirit.