HIKING BOOT LACES - MT. RAINIER DARK BLUE - 72 INCHES - WATERPROOF Two 72 Inch boot laces - Strong Waterproof Polypropylene - Redesigned tips of flexible Polyolfin - Heat shrunk for permanet fit National Leash is the sole distributor of this product - Look for the yellow banded trademark This special lace material is specifically manufactured for National Leash Excellent knot holding power. Made in USA by veteran owned company.