Easy to install: One size fits all elastic shoelaces. Customizable fit with a variety of lacing techniques. Each pack contains 12 laces.(7.5cmX3,7cmX3,6.5cmX3) Original No-Tie technology: Fasten Kids no tie laces once and never tie your shoes again. Kids turns lace up shoes into slipons. Comfort and Support: Elastic Laces for kids are made with an elastic memory fit material that conforms to the feet providing comfort and support. Fun colors: Kids Elastic Shoelaces come in a variety of classic and neon colors that add fun and life to all shoes. The unique material makes them durable in different conditions and water resistant.