Marimekko Cushion Cover Musta Tamma. The Musta tamma pattern is woven onto this cotton cushion cover with fringes at the ends. The cover has a concealed zipper on one side. 70% of the cotton used in this product is recycled cotton. The Musta tamma (black mare) pattern reflects Maija Isola’s recollections of her childhood, when she often imagined that she was running free in the woods together with a big herd of horses.