Fífa - Arctic Cotton Grass Cotton Bedding SetFfa Arctic Cotton Grass Cotton Bedding SetFfa bed duvet are woven from our very best cotton blend, 380 thread count 100% Pima cottonand the pattern embroidery of the bedding set is woven into the bedclothes with dense embroidery and is made of 100% cotton threads.. The cotton grass is endowed with exceptional elasticity and mobility. It has been both useful and delightful throughout the years for Icelanders. The cotton grass is a wild flower and can