How to keep Zipper & Zipper Pulls , Straps quite.

Straps roll them tight and either tape the strap tight or cut a section of bicycle inner tube and put over the rolled strap.
Wax or rub a bar of soap along the length also lubricates it.
Zipper pull if you look at it has a opening on it you can gently pry it open and pull the Pull of or just cut it off and replace with 550 Parachute cord.