A representation system receives a subscription for a consumer to monitor online vendors. The representations system monitors a separate inventory of merchandise items of each online vendor. The representations system detects a new merchandise item added by at least one of the online vendors to a current inventory of merchandise items. The representation system accesses a representation of the consumer specified by a selection of sizing measurements stored by the selection service. The representation system selects at least one merchandise item from among the new separate merchandise items each with a set of merchandise characteristics of a size selected to fit the selection of sizing measurements. The representation system generates an email communication to deliver to the consumer from which a rendering of the selected merchandise item on the representation according to the set of merchandise characteristics as applied to the selection of sizing measurements is accessible to the consumer.