Kakebuton is a japanese comforter. It is part of a futon set. Shikibuton is the under futon or mattress. Kakebuton is covered by a cover that can be very decorative. The older ones were usually dyed in indigo or pigments. The images are usually auspicious ones: pine trees for long life, bamboo, cranes, ducks, butterflies, chrysanthemums, and various flowers.