A brig is a larger ship that is commonly used for carrying cargo over large bodies of water. They typically have two masts with square sails.

(Picture for reference only. It does not have to look like that.)

Minimum Block Count: 1000
Maximum Block Count: 1500
Minimum Percentage of Wood Planks/Slabs/Stairs/Trapdoors/Fences/Logs (Hull): 30%
Minimum Percentage of Wool/Banners (Sail): 30%
Maximum Number of Chests: 8
Blocks skipped when cruising: 4
Speed: 0.5