Store › Mermaid Notecards (Original Watercolors) Image 1 of 3 Image 2 of 3 Image 3 of 3 Mermaid Notecards (Original Watercolors) Sale Price: $15.00 Original Price: $25.00 (1) 3.5 x 4.875 and (2) 5x7 notecards with envelopes. Pack of 3. Add To Cart Added! (1) 3.5 x 4.875 and (2) 5x7 notecards with envelopes. Pack of 3.