supply of good quality and branded bi-cycle and hygienic insulated box to the individual fishermens of different blocks under north 24 parganas district during the financial year 2019-20 . , bi-cycle ( standard branded , 22 inches frame size , with specially fabricated jumbo carrier to carry the 50 litre insulated box ) , hyigenic insulated box - 50 litre ( made from usda / fda / eu approved food grades polyethylene materials in double wall construction by a unique moulding process with follwing attributes: ( i ) pu filled & uv stabilized ( ii ) superior grade fitting & hardware , ( iii ) hygienic , ( iv ) strong and durable , ( v ) leak proof , rust proof and corrosive free , ( vi ) keeps things stored in hot / cold condition for longer periods , ( vii ) box should be certified by the competent authority as fit for food . )