Acid-free, waterproof, paintable, dries crystal clear! Use on Ceramics, concrete, cork, felt, fiberglass, glass, leather, metal, most plastics, most rubbers, paper, porcelain, textiles and wood. Dries fast and clear and won’t stick your fingers together. Washable and dishwasher safe. Will not stain textiles. Easy to use indoors and outdoors. Flexible when drying. UV stable. Withstands maximum temperature of 275º F.