you may not notice them directly, but these are just some of the little things that make the world that bit more alive. when the weather starts to get nice you can safely remove the cloth. i bought a bunch of 18″ zippers, one of which is shown in the progress photo, and none of which were used for this pillow because they were too long. your virtue showed a decision that this future could only get. so you usually only need enough of these to last the first couple of weeks, if packing space is at a premium. 