These sprays provide protection for all your paper and photo items. 6oz Acrylic Crystal Clear- Sprays on clear, stay on clear, and gives a hard durable finish. No runs, no drips, this acrylic clear coat dries in minutes and is non-yellowing. It can be used both indoors and outdoors. Ideal for furniture, hobbies and crafts, painted surfaces, ceramics, wood and metal projects, and porous surfaces. Sprays approximately 15-20 square feet.