The Card Saver 4 is our largest Card Saver holder for items up to 4" x 6". The actual size of the CS4 is 4 1/2 x 7 1/8 including its 1/2" lip. There are 50 per retail package and 1,000 (20 packs) per master case.
The Card Saver 4 is used for promo cards, postcards, and for PSA submissions of larger cards or thicker cards per www.psacard.com guidelines. Please contact PSA with any questions.