This workable fixative from Krylon is a must for protecting pencil, pastel, chalk, charcoal, conte crayon and india ink drawings. The spray is acid free and archival safe and protects items from smudging, yellowing and wrinkling, yet you can erase through the coating to rework artwork if needed. It dries to the touch in 30 minutes and is dry to handle in 1 hour. Recoating can take place anytime. It can also be used on substrates such as wood , metal, plastic, papier mache, glass, dried flowers, silk flowers, ceramic and wicker. The spray tip requires less force than other products and there is less overspray. Each 11 oz. can provides up to 20 square feet of coverage. The material conforms to all safety regulations. (IMPORTANT SHIPPING NOTE: Government restrictions prevent shipping many aerosol spray products by AIR, including ALL Krylon Sprays. These Sprays CANNOT BE EXPORTED outside the U.S. with the exception of UPS ground shipments into most areas of Canada.)