A luxe robe or silk pillowcase or high-quality hair tool or premium skincare for wedding day preparation. A practical proposal gift is something she will actually use in the lead-up to and on your wedding day. A silk robe works because she will wear it for getting ready photos. A silk pillowcase works because it improves both hair and skin before the big day. A quality hair straightener works if she does her own hair. Premium skincare works because she will want her skin looking good. These are the practical proposal gifts that work because they serve the immediate purpose of wedding day preparation.