How are buffalo gold coins sold in a tube, such as eagles, or individually wrapped in plastic?

If buying bulk of the Mint, what will?

At first glance, seems to be sold separately in packs of filing: http://catalog.usmint.gov/webapp/wcs/stores/servlet/CategoryDisplay?langId=-1&storeId=10001&catalogId=10001&identifier=0500

Desert Eagle 50 AE cal Handgun

1- AIR-TITE COIN TUBE-TITE HOLDER- Dollar/Silver Eagle/Bullion Rounds/Gold-2″dia $1.75

10 SILVER EAGLE AIRTITE COIN HOLDERS AND 1 TUBE-TITE/Dollar/Rounds/Gold/Bullion. $5.99

Five Coin Safe Square Tubes for U.S. 1 oz. Gold Eagle $3.99

2 EMPTY AMERICAN EAGLE 1/10 OZ GOLD COIN TUBES $17.85

New – Square Coin Tubes for 1oz US GOLD EAGLE Coins $4.50

40 – 2012 1/4 oz. AMERICAN GOLD EAGLES – Full New U.S Mint Tube $19,499.00

50 – 2012 1/10 oz. AMERICAN GOLD EAGLES MINT TUBE OF 50 $10,064.00

2012 1/10 OUNCE $5 AMERICAN GOLD EAGLES – U.S MINT TUBE OF 50 COINS $10,065.00

2012 FULL MINT TUBE 20 1oz. AMERICAN GOLD EAGLE COINS $36,765.00

3- AIRTITE COIN TUBE-TITE HOLDERS-Dollars/Silver Eagles/Gold/Bullion Storage- 2″ $5.35

5 US Gold Eagle Coin Safe Square Coin Tubes $5.75

10 COIN SAFE Square Gold Eagle One Ounce Coin Tubes $4.99

8-AIRTITE COIN TUBE-TITE HOLDERS-Silver Eagles/Dollars/Rounds/Gold Bullion-1.75″ $13.95

4-SIZES AIRTITE COIN TUBE-TITE HOLDERS-Quarter/Dollar/Silver Eagle/Gold Bullion. $6.29

10 SQUARE COIN TUBES, AMERICAN GOLD EAGLE, FREE SHIP $12.99