Numis square tubes, the original square coin tubes for dollars, come packed in retail boxes of 50. Manufactured with resistant durable materials, Numis square coin tubes provide protection and are an ideal storage solution for your coins. Numis square tubes for dollar coins have their caps stamped with the lettering "dollars" to avoid confusion with other denominations. Their caps, also, seal tightly to prevent corrosive materials from coming in contact with the coins. Coin collectors looking for an alternative to storing coins in paper wrappers will find Numis square coin tubes to be their number one choice.