Derby Laces Silver 72 Inch Spark Skate Lace for Roller Derby, Hockey and Ice Skates, and Boots PERFORMANCE METALLIC LACE: SPARK by Derby Laces create a natural friction when tightened to help them stay tied, tight, and where you want them while skating. HARDENED PLASTIC TIPS: SPARK by Derby Laces feature a hardened plastic tip that is extremely durable. DURABLE FIBERS: SPARK by Derby Laces are braided laces made out of metallic coated durable fibers. They have a unique texture that allows them to tighten and loosen easily. VARIETY: SPARK by Derby Laces are available in a large variety of attractive colors and designs. We are constantly expanding our selection of colors and sizes. Click on "Derby Laces" under the header to see all the options or visit derbylaces.com SUITABLE FOR: Roller Derby Skates, Roller Skates, Hockey Skates, Speed Skates, Boots, Skates, Regular Shoes