Many artists use mats to crop around their artworks in progress. However, paper mats can  get dirty and aren't cheap. Journey Art Stuff Gem Finders are made from heavy-duty plastic which makes them washable and reusable. Save the best parts of your paintings that aren't working by moving the Gem Finder around until you discover those "little gems" that make for great paintings!

Journey Art Stuff Gem Finder is manufactured in the USA by a non-profit organization who assists, trains, and employs individuals with disabilities. Not only are you getting a great product for your art supplies, your purchase helps to support and enrich the lives of these employees.

The 5 assorted Gem Finders included in this set are:

• Small Window, 4" x 6" - Outside dimension: 8" x 10", Inside dimension: 4" x 6"
• Small Window, 5" x 7" - Outside dimension: 8" x 10", Inside dimension: 5" x7"
• Medium Window - Outside dimension: 14" x 18", Inside dimension: 10" x 14"
• Large Window - Outside dimension: 18" x 25", Inside dimension: 14" x 21"
• Multi-Window - Outside dimension: 13-3/4" x18", Inside dimensions include multiple windows measuring: 8" x 10", 3" x 5", 3" x 4", 3" x 3", 2-3/4" x 7-1/2", and 1-1/2" x 3".