It has always been difficult to marry off a younger sister, after all, she will be another family's daughter from then on. However, as a family, you should still be happy that your younger sister has a good husband to entrust her life to. Giving gifts before the wedding really shows your reluctance and delicate mood.
As a wedding gift for your younger sister, it is recommended to give her a pair of teddy bear dolls in wedding dresses, which is more auspicious, and your younger sister will definitely like this kind of cute wedding gift. Give her a big one for whatever she likes, so that she knows that no matter where she is or how old she is, she will always be a little sister at home.
You can also give your younger sister a good SLR camera or digital camera, take more commemorative photos of her at the wedding, and also give your younger sister a digital photo frame as a wedding gift, and store the photos of your family and her wedding in it, which is very commemorative.