Material Safe Material Children'S Skipping Ropes Are Made of Safe, Non-toxic and Odorless Materials. The Grip Is Soft and Non-Slip For A Comfortable Grip. The Rope Is Made of High Quality Cotton and Elastic Rope, Which Does Not Hurt Much When Struck On Certain Parts of The Body. Easily Adjustable The Length Can Be Easily Adjusted to Suit Individual Needs of The Skipping Rope, Ideal For Teens and Children. Funny Counting The Skipping Rope Has An Automatic Counting Function, Which Gives A Lot of Fun to Children When Playing Sports. Remark: Hold The Counting Grip with Your Right Hand to Count Correctly. Improvement Health Improvement Jumping Is An Arobic Fat-Burning Exercise That Can Speed Up Blood Circulation and Improve Cardiopulmonary Function. Children'S Gift The Rope Can Be Used As A Play tool For Your Children, Makes Them Very Fun and Promotes Children'S Ability and Endurance In A Playful Way.