Harris Round Coin Tube for 40 QUARTERS This tube holds up to 40 quarters. It will also hold any coin, token, or poker chip up to 18mm, though the maximum quantity will vary depending on the thickness of the items. Tubes are made of durable polystyrene with polypropylene screw-on caps that will not pop off. They are ideal for storing and protecting large quantities of coins when display is not a consideration. Each order is for a single tube. Brand may vary by stock on hand.