Premium Material: Stretch shoe laces are made of polyurethane elastic yarn fibers with brand-new technology, which are elastic, firm and not easy to break, also soft in texture and can be tied any beautiful shape, slips the foot into the sneakers with ease, ensuring the sneakers wraps around the instep with just the right amount of force,they can be used for high intensity sports.After-sale Service:With the confidence in our elastic shoelaces, we will provide 100% refund or replacement services if there is anything wrong with your order. Just leave us message and let us know the situation.2 Pairs in a Pack: 2 pairs stretch white flat shoe laces(4 laces),5/16" wide,54inch length,fits 7-8 shoe eyelets.Our elastic shoelaces can choose from many lengths.Please check your original shoe laces length before buying. Slip on/Slip off, these stretch replacement shoestrings are quick and easy.Easy to Use:Standard laces replaced with elastic shoe strings,makes any any high tops shoe with eyelets transform into a slip-on,you will never want to go back to traditional shoestrings,never worry about tying your shoes again during any activity.Compatibility: Perfect replacement shoelaces for high tops shoes, which will make your shoe laces brand new again. Elastic laces that can be tied, not only enjoying the beauty of tie traditional flat shoelace, but also enjoying the ease of slip on/off shoes brought by elasticity.