Our Black Markit Glass Stainers are designed for creating unique but devastating frost like effects on many types of glass. The 60ml soft squeezable body allows for precise control, enabling grimier, drippier tags. The trusty 18mm heavy-duty woven mesh nib ensures consistent application and long-lasting performance.This product is highly corrosive to glass surfaces and capable of withstanding even the most powerful cleaning products. Always wear gloves and avoid skin contact. The unique formula creates a distinctive winterising stain that adheres strongly to glass.Black Markit Glass Stainers are intended for responsible use in compliance with local laws. Exercise caution during application and storage.