100% Polyester Packing: 20Pair(40 Laces)Double Layer Flat Thick Shoelaces Per Order(when you put quantity "1", means you will get 20 pair of shoelaces);These Shoelaces for all Kinds of Fashion Sports Shoes,Casual Shoes Etc. Shoelaces Width: 7mm;Thickness 2.5mm;Shoelaces Material:Polyester;The length of Error Range: 2-3CM(these shoelaces were meassured and cut by mechine, can have 2 to 3 cm differences);The Best Way to Find the Length of Shoelace You Need: Remove the Current Shoelace From the Shoe, Measure it from Tip to Tip, This is the Length for the New Shoelace - Keeping in Mind to Add or Subtract to Your New Laces if Your Old Laces are too Long or too Short. There are 3 Kinds of Lengths are Available,See Picture,With Nice Pattern, Fashional Excellent choice for Running, Jogging, Casual & Fun Shoes, add some color to your life, compatible with all Kinds of Fashion Sports Shoes,Casual Shoes Etc The Shoelaces Features:Precision Double Color Compiling Process Thickening Double Design,Texture Double Color Twill, Perfect Decoration of All Kinds of Fashion Sports Shoes,Casual Shoes;Higher Costs for Better Quality Transparent Shoes to Take The Lead ,Can Restore Shoelaces Are Color Strong and Easy to Use;High Quality Color Polyester Yarn,Not Late Staining Shoelaces Higher Technology,Guarantee Fastness,Shoes Don't Rub off Not Dyed. Note: Because of Light Effect of Displays of Different Computers, Some Slight Color Differences are Inevitable