The Buldo ® Round to be filled with water is the unavoidable float in the Buldo ® range of products invented by Mr Jean Grizaud, French pro-fishermen more than 50 years ago. This float is known by fishermen of all level all around the world and offer many fishing possibilities. Fill it up at your convenience, ¾ for surface or full for mid-water fishing. Sizes 0, 1 & 2 are more often used for river and lake fishing, while sizes 3, 4 & 5 are more adapted to sea fishing (recommended to use metallic eyelets).