Designs range from a wide variety of paintings and will always include popular current images. Each pack is assorted, designs will vary. Four 6x9, four 4.6 x 7.2 and four 5.5 x 4 (A2).
Each pack is ASSORTED, probably not the same pack twice. They go through the USPS with regular postage. The large 6×9″ envelopes take two stamps.