This set of note cards is part of the Touch of Botanical collection. These handmade 4 1/4" x 5 1/2" matte white note cards are printed with four blooming cactus - Night Blooming Hilmanns Cereus, Engelmanns Hedgehog, Prickly Pear, and Saguaro Cacti. These cacti bloom at various times of the year and some bloom at night . These photographs were taken in Tucson, Arizona. This is a set of 8 note cards with envelopes including 2 prints of each cactus.