Work Tools International 60011 4-Inch Whizz Premium Jumbo Paint Roller Cover, Gold Stripe Whizz polyamide yarn offers unparalleled loading and unloading characteristics, with virtually no splatter The Whizz stripe yarn is "substrate responsive" providing the best possible finish on a variety of surfaces The yarn bases are actually baked into place (melted), minimizing shedding Whizz's Premium Gold Stripe is densely woven into a sturdy backing