The customs tax is in accordance with the value on the invoice, it is the fee which charge from importer .the customs value depends on your country's tariff policy.
As usual, we declare the customs value according to our usual practice, unless you want to declare on your own needs.
Who is in charge of the clearance of the items If the items are detained by customs?
We will help you with the customs clearance; we ensure that we could assist you actively if you need. But it needs the assistance both of us.
How much we should declare for the invoice?
Usually, the customs value will be declared according to the item value and the quantities your orders, in order to not bring any trouble when passing customs clearance.
If the item value is too high plus your country's customs clearance is very strict, please instruct us fill the invoice with the items’ name and declared value.
And all Brazilian buyers please tell us your CPF number before we send out your parcel.
If you have specific requirement on the declare value of the invoice that we will give to DHL when ship your package, please leave message on our website or mail to email@example.com, we will do as you required.
If you have no instruction about the invoice declare value, generally we will declare the item value range from 20USD-200USD which depends on the package weight and package volume.