Ideas for Gifts for a Sister Your sister is a gift. You haven't always thought so. Sibling-rivalry once simmered away but, now you're all grown-up, you wouldn't be without her. Through bad hair, terrible clothes, worse boyfriends and the whole embarrassing family thing, sis' has been there. Like classier Kardashians, you sisters have shared it all. When choosing your sister presents, you may want this close bond to show, which is why we've compiled these special suggestions of perfect gifts for sisters!