• Great flip for grading service submissions 

• Intended for long-term storage of your coins.

• Pack of 50 Flips

• Museum Quality

Coretek flips and currency holders meet the highest standard in archival quality material available on the market today for coin and currency storage. To meet this standard, Coretek uses a polyester film that is 100% uncoated, colorless, biaxially-oriented PET. That means no plastic, no additives or UV inhibitors, no surface coatings, no absorbents or other contaminants. Coretek is a truly archival product line and represents the best practices in archival materials for coin and currency holders. Item comes in packs of 50 flips.