Don't need hundreds of flips? No problem! These are offered in bundles of 10 for your convenience! An order of Quantity 1 is for one bundle of 10 flips.
The inside of Cowen's holders are lined with DuPont Mylar, the chemically most non-reactive lining available for coins. Mylar does not tear or scratch and is also the most moisture resistant film available. Mylar film is also dustproof with the lowest available permeability