EREV Sport Elastic No Tie Reflective Elastic Shoelaces System 100% LIFETIME WARRANTY: Each pair of laces is guaranteed by EREV Sports Lifetime Warranty IDEAL FOR EVERYONE: Ideal for triathletes, runners, athletes, senior citizens, and people with special needs. EASY TO INSTALL: 48 3M reflective laces come with installation instructions and can fit on any shoe. Each order comes with 2 locks, 2 end-of-cord clips, and 2 elastic laces -- everything that is needed for equip 1 pair of shoes. MAXIMUM COMFORT: More comfortable than regular shoelaces -- Elastic laces evenly distribute pressure across entire foot. PERFORMANCE DESIGN: Squeeze lock design provides superior performance and comfort over other press-style elastic laces. Elastic laces are made from natural rubber threads, as opposed to artificial rubber. Lock springs are made from stainless steel, which means our locks do not rust!