I don't know how many hooks are in the earring hook packet. - Bulk Purchase Bonus: Buy 3 items and get a 4th item free (the free item will be the lowest priced or equal priced item among your purchases). - Packaging: Boxes exceeding 3cm in thickness will be folded for shipping. - Shipping Method: We will use either "Rakuraku Mercari便" or "Yuyu Mercari便". Please understand that we will use them interchangeably depending on size and schedule. -Location Code: SIL-BIG