Unfortunately the product cartolina you are looking for is not available at the teNeues online shop (any more). Maybe you are looking for the following:
GreenGift-Notes: 4 1/3 x 4 1/3 x 1 in.
Green Thanks: 5 5/6 x 4 1/2 x 1 inches
Say thank you to loved ones while paying homage to the natural beauty that surrounds you