Shipping weights and dimensions are as follows:
100 Firesafe Cannula Valves:
Mode of Supply: 5 bags of 20 in a box
Dimensions:  18.6 cm x 12 cm x 4 cm
Gross weight: 0.5 kg
3000 Firesafe Cannula Valves:
30 of the above boxes in a large carton
Dimensions: 62 cm x 15 cm x 47 cm
Gross weight: 15.5 kg