BCW Brand 2x2 Paper Coin Flips - Archival Quality Small Dollar Sized 100 QTY COMBINED SHIPPING VIA CART. If you have issues with combined shipping working for you message us and we can make a listing for you. Manufactured by BCW Window sized for a 26.5mm US Quarter Window is crystal clear archival polyester Fits nicely into 20-pocket binder pages Good For Long Term Archival Storage Safe For Unpolished Coins Exterior Dimensions 1 15/16 x 1 15/16 Square white card-stock coin holder, most commonly called 2x2's, Mica or Micas or even just Flips. You place coins in the holder, fold it over, and staple or tape it shut. The front and back of the coin is visible and descriptions of the coins can be written on the holder. They are commonly stored in 20 pocket binder pages or storage boxes.