supply of polyester staple fibber pillow of 100 percent white virgin hollow fiber, weight 450 gram (with tolerance as plus 20 gram and minus 10 gram)polyester staple fibber pillow of 100 percent white virgin hollow fiber, weight 450 gram (with tolerance as plus 20 gram and minus 10 gram),polyester staple fibber pillow of 100 percent white virgin hollow fiber, weight 450 gram ( with tolerance as plus 20 gram and minus 10 gram) surrounded by virgin hollow fiber sheet of 20 mm thickness minimum . pillow covering size shall be 60 cm ( plus/minus 1 cm) x 36 cm ( plus/minus 1 cm ) and should contain 50 percent ( minimum) polyester yarn & balance cotton with nwr mark on corner s with indelible ink. pillow should be resistance to normal wash. tag in corner should be stitched in ea ch pillow indicating name of manufacturer, month and year of manufacturing specn: polyester staple fi ber pillow of 100 percent white virgin hollow fiber, weight 450 gram (with tolera [ warranty period: 30 months after the date of delivery ] ] => limited