Butterfly Headband (←Official product name). It became a hot topic because Timo Boll wore it in the European Championship final. Made of a smooth fabric, it allows for comfortable play even when worn. It's only available in one size, so it's essentially a free size. Recommended for those who don't like their hair in their eyes or who like headbands. This item is limited to overseas markets and not sold in Japan, so get yours quickly. Management number: 3100032601