Usually, total weight (item weight and package weight) for
"pottery tea bowl w/ wooden box" will be 2 kg.
"pottery tea bowl" will be 1.5 kg.
"pottery drinking cup w/ wooden box" will be 1 kg.
"pottery drinking cup" will be 0.5 kg.
"pottery vase, 20cm in hight" will be 3.5 kg (FedEx or DHL maybe treat it as big package. The price will be over 34,000JPY to America).
※FedEx and DHL don't accept PO BOX. Additionally, they require emergency situation (covid-19) fee and so on.
Information for FedEx is as bellow.
Information of DHL is as bellow.
All prices are in JPY