Prepare before your ears start to hurt! Warm Boa Ear Muffs ⛄️❄️ They fold up compactly and fit neatly in your bag or pocket ☺︎!! Many fishermen in the north are also users of this product♪ This type goes around the back of the neck, so your hairstyle won't be ruined and it won't slip. It has ventilation holes, so you can use your smartphone with them on! With a simple design, they can be used by people of all ages. The ear muff part comes in two sizes. This is the regular size. ▼Color → Gray ▽Size → Diameter of the ear muff part: Approximately 14 cm