People with pain and/or limited use of their hands will find using these holders much easier than trying to hold multiple cards in one hand. The slot is designed so that cards can be easily added or removed.
Also holds Mah-Jongg tiles, recipes or memos.
     Each measures 2" x 13/8" x 10". They hold 7 cards with the numbers clearly visible and 10 cards with the numbers slightly overlapped.