From Premier: and adorama: "PremierArt Print Shield is a lacquer based protective spray designed specifically for ink jet prints. Print Shield protects all ink jet prints from moisture, UV, light, humidity, atmospheric contaminants, scuffing and fingerprints. Its low solids formulation maintains the original look of the surface of the print, eliminating gloss differential. It is a must for every canvas and fine art ink jet print that needs protection. Also works great on photo papers. Extends Image Life! Print Shield has earned the Wilhelm Certified Testing Seal indicating the spray has been tested by Wilhelm Imaging Research, and, as shown on the table on the back, were found to increase Display Permanence ratings with the listed media. Print Shield is the best choice for extending the life of your prints.
Sells $15.95 a can at Adorama. I have 8 unused cans and 2 partially used cans which I'll throw in to anyone buying all 8. Selling for $9.00 can. Buy all 8 and I'll pay shipping and give you the 2 partially used cans n/c.http://www.adorama.com/IPRPSAC.html