supply of file straw board to size- 23cm x 35 cm ( [file straw board to size- 23cm x 35 cm (+/- 1 cm) with 8 cm clear spines excluding pasting portion of the flap along with 2 nos of transparent perplex sheet of size- 150mmx25mmx2mm with 2 holes centrally punched with 7.9cm distance between the hole. file material is of 2.5 mm to 3mm thick straw board. binding cloth to be pasted on all the edges of each flap in apportion of 20 mm & also on the middle portion of both parts , spines at centre joint space in a width of 14-15cm along the length of file. file should be punched & eyeleted with 4 nos aluminum eyelets- two on each flap at a distance of 1.5cm to 2 cm from the left edge of each flap. 2 nos of good quality cotton tag/lace of length approx 60 cm & dia 3-4 mm to be inserted in the tag holes. one(1) cotton tape of 100 cm x (12-15)mm width x 2mm thickness should be inserted throughout the two inners made at the middle portion of backside of the file cover. binding cloth is to be of good quality & color should be dark blue.]file straw board to size- 23cm x 35 cm ( [file straw board to size- 23cm x 35 cm (+/- 1 cm) with 8 cm clear spines excluding pasting portion of the flap along with 2 nos of transparent perplex sheet of size- 150mmx25mmx2mm with 2 holes centrally punched with 7.9cm distance between the hole. file material is of 2.5 mm to 3mm thick straw board. binding cloth to be pasted on all the edges of each flap in apportion of 20 mm & also on the middle portion of both parts , spines at centre joint space in a width of 14-15cm along the length of file. file should be punched & eyeleted with 4 nos aluminum eyelets- two on each flap at a distance of 1.5cm to 2 cm from the left edge of each flap. 2 nos of good quality cotton tag/lace of length approx 60 cm & dia 3-4 mm to be inserted in the tag holes. one(1) cotton tape of 100 cm x (12-15)mm width x 2mm thickness should be inserted throughout the two inners made at the middle portion of backside of the file cov