The new Rainbow Lock Laces are a colorful and fun addition that matches your bold and exciting personality! Great for kids (and adults) that love to stand out in a crowd. One-size-fits-all. For kids, serious athletes, people with special needs, the elderly and adults. Each pair of high performance, quality and utility Lock Laces contains two 48” elastic laces, two lock devices and two cord clips and is suitable for lacing up one pair of shoes.