Seaweed Blue Futon Cover. Coastal Living beach house pillows. Coastal white coral design on Sea Glass Blue background. The simplicity of this design is so restful. A charming mix with beach house decor in many color pallets Pillow shams are available in 4 sizes, 20 x 20 throw pillows, 14 x 22 lumber pillows, 9 " round by 22" long arm bolsters and standard size bed pillows.