This is a spring-type fitness device that can be easily used at home. ◎ For waist, abdominal, and core training. Twisting or pulling it left and right is recommended for relieving lack of exercise and light exercise. ・Silent design with soft springs ・Foldable for easy storage and carrying ・Suitable for beginners and light exercise 【Color】 ・Pink × Green × Gray Used only once. There are no noticeable stains or damage, but please understand that this is a home-stored item. 6