1. Material: wool 2. Soft knitted material, comfortable to wear, not abrasion ears 3. Non-slip and comfortable, easy to use, can fix glasses and sunglasses when used 4. Comfortable and safe, fit your ears, easy to use, suitable for a variety of styles of eyeglass frames 5. Weight: about 1g 6. Size: length about 55-90mm, hole diameter about 5mm, diameter about 8mm 7. Note: delivery only glasses leggings, does not contain other