Poly-Flex shims are 5mm thick and designed to be layered in the Mattes Correction Pads. Poly-Flex Shims are very resilient and do not bottom out like foam or other materials. A set includes two front, two middle, and two rear shims.See the entire...
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.