supply of polyster staple fibre pillows size:57x30x10cmpolyster staple fibre pillows size:57x30x10cm,polyster staple fibre pillows size:57x30x10cm weight 400grams.+/- 5%. construction details :material for pill owpolyster staple fibre.fibre content:100%virgin hollow fibre non compressed in the form of sheets. identification of fibre hollowness will be --- as per is-667/1981.covering cloth should contain 50%(min) polyster yarn and balance co tton. pillow should be resistant to normal wash.ir totem to be marked on each corner with indelible ink. i) the virgin ho llow fiber sheet thickness is to be 20 mm (min) ii) in the specification, +/- 5% (tolerence) is applicable to weight as well as dimensions (size) iii) minimum perc entage of polyster yarn content of covering cloth is mentioned as 50% percent. the maximum percentage of polyster yarn content is to be 60% and balance c otton.