Achieve the same elegant updo seen on celebrities with the Bun Ease updo styling tool. The Bun Ease is quick and easy to use for all hair types and lengths. 1 styling tool, 4 bobby pins, and 1 elastic band included. 3.25 inches in diameter. Achieve the same elegant updo seen on celebrities with the Bun Ease updo styling tool. The Bun Ease is quick and easy to use for all hair types and lengths. 1 styling tool, 4 bobby pins, and 1 elastic band included. 3.25 inches in diameter.