Flora Sets of 8 Cards with Envelopes Cards are beautifully printed on 100# white linen, including matching envelopes. For descriptions of each flower, click the image above. Buy Today! Nature Sets of 8 Cards with Envelopes Cards are beautifully printed on 100# white linen, including matching envelopes. Select the Sampler set including 2 cards for each of four images. Learn more about the four images included below. Buy Today!