【Scientific Design】--Upgraded Version No Tie Laces Feature a Unique Curved Magnetic Buckle and Flat Elastic Rope Design. the Magnetic and Snap-on Double-lock Design of the Lock Makes You Never Worry That Your Laces Will Loosen,solve the Trouble That the Shoelace Falls off when Walking, and the Child Will Not Tie the Shoelace when Stepping on It.【Time Saver / User Friendly】--With No Tie Design, Never Worry About Tying Your Shoes Again During Any Activity. Easy to Handle. Putting on Shoes Couldn't Be Easier. Slip on / Slip Off, These Elastic Laces Are Quick and Easy.【Perfect for Everyone】--No Tie Elastic Shoelaces Are a Great Gift for Seniors Suffering from Arthritis or Other Disabilities, Autistic Children, Runners Looking to Speed Their Triathlon Transition Up, and a Must for Sports Enthusiasts.【Easy Installation】--The Installation is Simple, the Tiger Teeth Are Pressed and Fixed, and It Will Not Fall off for a Long Time.【Package Includes】--3/5 Pair No Tie Magnetic Elastic Shoelaces.