The Winc® rubber bands are manufactured from the highest quality natural rubber. They are made in one piece for greater strength and break resistance so you can rely on them to keep it together. These pure gum bands have extremely good elasticity and long life meaning they are perfect for a range of tasks, uses and functions. The bands are smooth and uniform in thickness and are of controlled size and weight - making them ideal for use in offices, warehouses, homes, schools and much more.