▼ Size: Our products are all sewn in the car, so there is a reasonable error within one to three centimeters. If it is not remarked, it is the default hair band size (circumference length: about 54~56/folding maximum size: 66 cm, width: 6.5 cm). Before buying, please measure whether the hair band is comfortable and accept the custom size. After the size is not the same, you must pay the return shipping costs to replace the 喔! ▼ Try on the report: With a ribbon, a slightly thick cotton thread, which fits without a gap, is not loose or tight, is horizontal with the ground, and wraps around the head (do not tilt). Recommended for the following head circumference of 54 cm Head circumference 55 cm / moderate, long time no headache Head circumference 56 cm / moderate, wear long time no headache Recommended for the head circumference of 57 cm or more Man's head circumference is about 60 cm ▼ Chromatic aberration: Because we can't grasp the color output of each computer and mobile phone, there may be some slight color difference. The hair band test photos are taken in natural sunlight. Some of the guests in the evaluation attached the indoor wearing photos intimately, which can be used as a reference! ▼Material: American cotton cloth, Taiwanese loose band. ▼ production: fine cloth, personal sewing. ▼Clean: Washable, hand wash is recommended.