Ebay offers associate programs to site owners to help market their products. This online site is an affiliate marketer of ebay so clicking on the merchandise you like at this site will route you to their individual ebay page. Merchandise originating from another country either by post or courier service will need to have a customs declaration completed by the one who mailed it and fixed unto the parcel.  This should have a detailed description of all the merchandise, its value, and also if the products are intended as gift items, personal items, or for commercial purposes.