These sprays provide protection for all your paper and photo items. Crystal Clear Acrylic Spray Satin 11 oz- geso on clear, stay on clear, and give a hard durable finish. No runs, no drips 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 20-25 square feet.