1. The felt pad is made of non-woven material. They are lightweight, and good for craftsmanship. If you want them thicker, just use as many as you want together. 2.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.