This is the filling removed from a minmaku pillow purchased new at a Jibun Makura store for height adjustment. Since I purchased a firm pillow, the pipes are the hard type. I only put my head on it a few times for height adjustment, and there are no noticeable stains, wear, or odors on the pipes, so please rest assured♪ The amount of pipes is 100g, and the outer bag is 3g.