Card sleeves are a necessity for collectors to keep their trading cards safe from wear and tear. Some synonyms for the term card sleeves could be protective covers, card holders, and protective sleeves. Protective covers provide protection from spills and scratches, whereas card holders offer a secure place to house cards for storage. Protective sleeves act as a safeguard against dirt and debris, preserving the card's condition. Other possible synonyms include card protectors, plastic sleeves, and collector's sleeves. No matter the terminology used, a quality card sleeve is an essential item for any collector to ensure that their valuable trading cards remain in pristine condition.