Minecraft wiki entry for Llama, associated text: A llama can be equipped with a chest by right clicking a chest on it once tamed, giving it 3, 6, 9, 12, or 15 slots of inventory space, scaling directly with its Strength NBT (see § Data values below). Once equipped, the chest cannot be retrieved without killing the llama and can be accessed by shift + right clicking the llama. A llama's potential carry capacity is a number of item slots equal to 3*Strength, with a maximum of 15 spaces.