Buy the Beadsmith® Knot-it!™ Day & Night Waxed Brazilian Cord at Michaels. The Beadsmith Knot-it! 100% waxed polyester cord is extremely durable, strong, color fast and water resistant. An artisan cord that knots easily and burns beautifully with a nice finish. Made for macramé but can used for friendship bracelets, knotted jewelry, leather work, basket weaving and much more!