This listing is for 2 spiral rings, one is stamped with "BIG SIS", another one is stamped with "LIL SIS", which is a perfect gift to show you two are linked in more ways than one. a tiny heart sign is stamped on the inside of each ring.
You are 3 sisters? Please see these rings sets designed for 3 sisters. https://www.etsy.com/shop/WonderfulStamping/search?search_query=big+sis%2Fmid+sis%2F+lil+sis&order=date_desc&view_type=list&ref=shop_search