Hardcase have some gap around headstock, thats a nice idea that you can add some pillow for you guitar.
In one order there is 2 Pads.
Pros:
- velvet coating will not damage guitar
- you can easy remove velvet to wash it, or change filler
Cons:
- thickness 1.5 cm, if you use universal hardcase this is useless
- foam rubber filler is much smaller then velvet cover (you can add more).
There is no any sizing info in product description, you need to check that gap you need to fill