Bomb Bag

A Bomb Bag is an item that has appeared in eight Zelda games to date. It is basically the item that holds all of Link's Bombs.

Ocarina of Time

The Bomb Bag in Ocarina of Time is found in the second Dungeon of the game, Dodongo's Cavern. It comes with a max capacity of 20 bombs.

Upgrades

Link can get both upgrades to the Bomb Bag by either stopping the rolling Goron (Hot Rodder) while he is beneath the over hang. He will give Link both upgrades if you can manage it.

Link can also receive both upgrades as rewards at the Bombchu Bowling Alley.

Majora's Mask

The Bomb Bag can be simply bought from the Bomb Shop in West Clock Town, and for a very mild 50 Rupees.

Upgrades

After saving the old woman's bomb bag from being stolen while as a Hylian, she will reward Link with an upgrade. The Business Scrub in Goron Village will sell Link the largest bomb bag upgrade for 200 rupees if Link is wearing the Goron Mask.

The Business Scrub will sell Link both upgrades for 200 rupees each, but it's better to recieve the first upgrade for free, and then save her again on a different cycle to obtain the Blast Mask for free.

Wind Waker

The Bomb Bag can be found on the Pirate Ship when it's at Windfall Island, after Link has visited Greatfish Isle. It is required to obtain the Bomb Bag to complete the game.

Upgrades

Both upgrades can be obtained from various Great Faries found on the Great Sea.

Twilight Princess

The first Bomb Bag in this game can be bought from the Bomb Shop in Kakariko Village after Link has completed the Goron Mines.

Second and Third Bomb Bags

After the Twilight has been cleared from the Lanayru Province, Link can help Iza by blowing up rocks with Bomb Arrows. Iza will reward Link with the second Bomb Bag in the game. The third Bomb Bag cam be obtained by blowing that giant rock that was dropped into the Zora's Throne Room earlier. A Goron will come out and thank Link with a Bombg Bag.

Giant Bomb Bag

After helping Iza with her problem, Link can go back to her and go on her boating ride and score at least 25 points in the mini-game. If Link does so he'll be rewarded with the Giant Bomb Bag. This bag, despite its name, isn't a regular bag that can hold double the number of bombs, but instead it doubles the amount of bombs ALL Link's bomb bags can hold.

Phantom Hourglass

The original Bomb Bag can be found in the Temple of the Wind. It can only hold 10 bombs.

Upgrades

After obtaining the Bomb Bag, the Cannon Game Challange mini game becomes available on Bannan Island. Scoring over 2,500 points will reward Link with a Bomb Bag upgrade, allowing him to carry 20 bombs. The next upgrade can be purchased from Beedle. He will sell it to Link for 1,000 Rupees. This will allow Link's Bomb Bag to hold 30 bombs.

Spirit Tracks

Link can purchase the Bomb Bag for 300 rupees at Beedle's Air Shop. It allows Link to carry 10 bombs.

Upgrades

After obtaining the Whip, Link can participate in the Whip Race. Finish in under 1:30 to be awarded the first upgrade, allowing Link to hold 20 bombs. Clear the second "Take 'em All On" challenge for another upgrade, increasing the bag's capacity to 30 bombs.