Adorama Slinger Digital Memory Case 8, Holds 8 Cards, Batteries & a Card Reader, Black. Made of High Quality Softex Material. Dimensions: 4" x 5 1/2". Padded to Protect Your Valuable Equipment. Two Ways to Carry: Attaches to Slinger Bags with the Universal Strap Attachment (U.S.A.) System. Attach the Pouch to Your Belt with the Hook & Loop Straps. Holds up to Eight Memory Cards & Your Favorite Card Reader.