A Clear Guide for Trading Card Collectors

Finding the right toploader thickness is essential for protecting trading cards—especially modern memorabilia, relics, medallions, and booklet cards that come in a wide range of depths. While standard 20pt–35pt cards fit easily in traditional toploaders, thicker cards require holders designed specifically for their increased size.

This guide explains card thickness, how to measure it, how to use coins as quick references, and which BCW thick toploaders match each card type.