Warner's Blue Ribbon Books on Swarovski: Cleaning Cloth
This cleaning cloth weighs 1 3/4 oz, 16" square. This cloth will allow you to clean your crystal and shelves with no liquid if you like, as it actually collects the dust. If you prefer, you can also use a light water spray for your cleaning chores. It can also be used for generally dusting on all surfaces, and can be laundered and reused over and over.
Price: $15
Shipping: $25 additional to any international address.