RM Williams - Nanga Canvas Bag The RM Williams Nanga is the perfect all-rounder bag, crafted from durable cotton canvas for that sporty appeal. The handy detachable shoulder strap allows for versatility, and the contrast webbing reinforcement and handles means the bag will last many years and many weekends away. The open exterior pocket stores items you need close at hand, while the discreet, secure name tag will ensure the bag stays yours. In navy silt with a contemporary oversized longhorn print.