High quality3D Shape Flow Ring is made of high quality 304 stainless steel to enhance the durability and can be waterproof. The use of electroplating technology, see a long time to protect the flow ring does not fade.Stress relieving toy3D Shape Flow Ring can relieve stress and anxiety, eliminate fatigue, you can play with your children's friends to increase interactive fun and affection; also suitable for inattentive, ADHD, children with autism.Easy to store3D Shape Flow Ring's foldable design is perfect for travel and out party carry, you can run it along your arm, leg or from arm to arm. At the end of use, both palms can be recovered by rotating the direction clockwise together.Easy to store3D Shape Flow Ring's foldable design is perfect for travel and out party carry, you can run it along your arm, leg or from arm to arm. At the end of use, both palms can be recovered by rotating the direction clockwise together.After-sales serviceCustomer satisfaction is our first priority. If you are not satisfied with our 3D Shape Flow Ring for any reason, please contact us. We will deal with your problem promptly and give you a pleasant shopping experience.