●Material: 100% polyester (elastic waist) ●Elastic waist is elastic so you dont have to worry about tightening around your stomach ●Carefully sewn to prevent fraying with a soft silhouette and hem ●Elastic waist makes it easy for children to wear. Even if you move hard, it is not a string, so you dont have to worry about it coming untied! ●It can be used up to 5 ft 1.0 inches (155 cm), so it is suitable for small adults