BCW Resealable Graded Card Sleeves are an acid free, archival quality product made of crystal clear polypropylene and have an adhesive strip on the lip. BCW Resealable Graded Card Sleeves hold various graded cards, as well as ¼-inch screw downs.
Designed to work with these grading companies:
 
Professional Sports Authenticator (PSA)
Beckett Grading Services (BGS)
Sportscard Guaranty Corporation (SGC)
Certified Sports Guaranty (CSG)
Hybrid Grading Approach (HGA)