6 pieces/box (7.5*14.5**2.5cm) 100 boxes/carton (28 x 40 x 30 cm) = Gross weight (kg): 3.6 kg. 200 boxes/carton (28 x 40 x 60 cm) = Gross weight (kg): 7.2 kg. 300 boxes/carton (28 x 40 x 90 cm) = Gross weight (kg): 10.8 kg. 400 boxes/carton (40 x 60 x 56 cm) = Gross weight (kg): 14.4 kg.