Patented technology allows for instant one-touch hanging and removal from hangers. The hooks allow for stacking, saving storage space. Unique technology prevents collar deformation. It folds compactly and weighs only 70g! Very convenient to carry. Price is for a set of 6. There are 4 sets available. Discounts available for multiple purchases: 2 sets: 3500 3 sets: 5000 4 sets: 6500 Shipping will be via Sagawa Express. Shipping is not available to Okinawa and remote islands.