Bomb Bag

The Bomb Bag is the case in which Link carries his supply of Bombs. In OoT it is said that the Bomb Bag is made from the stomach lining of a Dodongo. It is often possible in Zelda games to acquire larger Bomb Bags as you progress.

In Ocarina of Time you can get 2 upgrades: one as a prize in the Bombchu Bowling Game and one from stopping Hot Rodder Goron's wild rolling around Goron City's 3rd floor.

In Wind Waker, the bomb bag is not actually shown as a physical item, however it is still possible to upgrade the number of Bombs Link can carry by visiting the Great Fairies. Initially it can hold 30 bombs, with increases to 60, then 99.

In Twilight Princess however, this has been changed. In this game, you are able to receive an extra two bags, so that you have one for each type of bomb available, Bombs, Water Bombs, and Bomblings, of which you can first hold 30, 15, and 10 respectively, and which can be doubled to 60, 30, and 20 later in the game.