We have checked your goods in this morning.
We found that, the Bcup-3 had mixed in this case. Quantity = 10 kgs (2 cartons).
Which, We received the Bcup-5 size 2.4 just 30 kgs. that mean, you rest order Bcup-5 size 2.4 = 10 kgs.
Please solve this problem a.s.a.p.