No, you are not seeing double, these are doubles facts dot cards to use with students to get them to master their doubles facts.
The facts that are represented are:
9+9,8+8,7+7,6+6,5+5,4+4,3+3,2+2, and 1+1
Included this set are:
-Dot images with a fold over line that when folded over represents the same dot image to represent the doubles fact
-Dot images WITHOUT the fold to represent both dot images without folding it over
-Subitizing cards that have the dot image, and when you fold it over it represents the numeral