supply of pillow for second and third ac coaches conforming to the specification described below:i) min. size 24 inches (61 cms) x 16 inches (40.6 cms)ii) min. height of pillow in center: 6.7 inches (17cms).iii) filling material: hollow siliconized polyester fiber of 7 denier (min) or hollow siliconized conjugated polyester fiber of 7 denier (min)iv) min. weight of filling material 550 gms.v) total min. weight of pillow 600 gms.vi) body fabric: cloth plain weave polyester cotton (65-67: 35-33) white.vii) cr monogram, name of firm, month and year of manufacturing should beavailable printed on a flyer/tag/label stitched on either of the two diagonal corners of the cloth cover.acceptable makes: sleepwell,-adore/bombay dyeing-micro/kurlopillo -sleepz /nilkamal- fern or similar