One-shoulder tie-detailed bikini top

Designer follows its own size guide, please refer to the below:

0 A-B cup = UK 8/ US 4/ IT 40
0 C-D cup = UK 8/ US 4/ IT 40
1 A-B cup = UK 10/ US 6/ IT 42
1 C-D cup = UK 10/ US 6/ IT 42
2 A-B cup = UK 12/ US 8/ IT 44
2 C-D cup = UK 12/ US 8/ IT 44
3 A-B cup = UK 14/ US 10/ IT 46
3 C-D cup = UK 14/ US 10/ IT 46