Product Name: Leather Shoes No-Tie Shoelaces Black 1 Set Silicone Shoelaces Stretchable No Untying Easy Installation Slip-on Easy to Put On and Take Off Shoe Laces No Untying No-Tie Shoelaces for Leather Shoes Black 1 Set Replace with silicone stretchable shoelaces Easy to put on and take off like slip-ons No tying, so they won't come undone, reducing effort and saving time Sizes: [Per Foot] 3cm x 2, 4cm x 2, 5cm x 2 Weight: 1g / piece Material: Silicone One is used.