At Samsill, we've been designing archival safe products for 70 years, including our trading card protectors. Made from high quality ultra-clear polypropylene these protectors are perfect for protecting all your collectible cards. If you're into sports collecting and need baseball card sleeves or football sleeves, these are for you! You can also make a DIY football card binder or baseball card binder. These even work perfectly for a coupon organizer; the possibilities are endless. This 40 pack of trading card protectors are perfect for short or long-term storage! Made from PVC and acid free polypropylene these card sleeves are archival safe. Samsill binders are the perfect addition if you are going for a collective look to your DIY trading card binder.