How do I know what thickness of toploader to buy? Permanently deleted user February 03, 2022 23:07 Updated Not all collectible cards are created equal! To help you determine what thickness point your are working with, check out this graphic below. Here it is as a PDF for your convenience. Card_Thickness_Sheet.pdf 80 KB Download Related articles How thick are the materials used to make Toploaders? How thick are the materials used to make sleeves? Shipping & Handling Policy Is there a size tolerance for sleeves? Eclipse vs Non-Eclipse Sleeves Comments 0 comments Article is closed for comments.