COOLKNOT Patented No Tie Constant Tension Elastic Shoelaces (Deca Blue) Patented (US Patent 8832913 B2) material and design to ensure constant elastic tension for extra comfort and support EXTRA COMFORT/SUPPORT: Coolknot conforms to your feet for better comfort and support as opposed to regular flat/nylon laces. Coolknot also reduce pressure points at the top of your foot and give your feet a better feel throughout the day which allow you to increase your performance during any activity. TIME SAVER UTILITY: Never worry or stress about ever tying your shoes again during any activity. Our patented CookKnot No Tie Shoelaces can turn your shoes into a slip-on. SIMPLE INSTALLATION: Quick installation and easy to use. Recommend installing our no tie shoelaces while the foot is inserted in the shoe to allow for a more comfort and secure feel. Each package of Coolknot comes with 2 knobby shoelaces 1 pair of shoes. PERFECT FOR EVERYONE: Whether you're a runner training for the Boston Marathon, Mom wanting to put an end to united shoelaces in your kids shoes or if you're rehabbing an injury/surgery (knee replacement) during physical therapy, Coolknot make an ideal utility product for everyone. Cookknot is also great if you are trying to reduce your transition time for your upcoming triathlon, suffer from arthritis, tired of laces in your golf shoes breaking, an active senior citizen or suffer from neuropathy because of diabetes, Coolknot can make a positive life changing impact.