Float Tail by Floatzilla is “The Original Soft Plastic Enhancer. Composite Materials: Some fishing floats are made from composite materials, such as fiberglass or carbon fiber, which offer a combination of strength, durability, and buoyancy. The Avon float is a straight float with a body at the top. These microspheres are typically made of glass, ceramic, or plastic. Syntactic foam offers exceptional buoyancy and strength at extreme depths, making it ideal for underwater vehicles, submersibles. Various types of plastics are employed, including polystyrene, polyethylene, and ABS. Each plastic offers a different balance of properties. Polystyrene is commonly used for inexpensive, mass-produced floats.