This is a service for customers who purchased products with WAVOCA plates. Only products with [Embed SAWAROVSKI CRYSTAL SERVICES] in the product are applicable. Please note that products not listed are not applicable. 【Compatible products】CARD CASE / PurseIf you place an order only with this service, it will be automatically canceled.This service is only for the above compatible products.If you purchase multiple items, please enter the Serial number and Swarovski element color in the "Add note to order" field in the shopping cart. Example) kp06-04 Crystal, kp06-05 Black DiamondMore Detail from here.