From John Derian website: Dimensions: 4.5” x 6.5” Handmade to order in our New York City studio Collaged paper under handblown glass CARE Do not immerse in water, wipe clean. Our decoupage is handmade to order in our New York studio using reproduced imagery from John Derian's vast collection of antique and vintage prints. Trained artisans cut and collage our designs onto handblown glass.