Getting married is a very important thing for everyone. It is a decision that determines their future path. Finding a partner that suits you and going on with it is a kind of romance and persistence, so it should be blessed by others, especially family members. My sister is marrying out, and wishing her happiness is the most important thing for her family members. Of course, sending a gift is more direct. I can give you some small suggestions:
1. You can give your sister a plush toy that she likes. Girls like this kind of toys. Although it is a marriage and your sister is an adult, the toys given by family members are more nostalgic. She will definitely like this wedding gift.
2. Send a rose, which can be a gold rose or a authentic rose. Both symbolize their unfading and eternal love. It is a very good wedding gift.
3. You can also give them a pair of very creative couple cups with their photos on them. You can see them every time you drink water. Of course, you will think of you. Your sister will definitely like it.