You should be a person who loves your sister very much. Most people will not buy gifts for their sister on purpose. At most, they will say: "You have grown up."
Give her a box of chocolates, such as colorful handmade blessing chocolates. When you take a bite, the mellow chocolate instantly seizes your taste buds, silky and smooth, and a burst of joy surges into your heart. If you DIY it yourself and add your blessings, and give it to your sister, she will definitely like it. Then write a card by hand and write your words that you don’t usually express on it. She will definitely be very moved.
Give her a small makeup mirror. Girls love beauty, so giving a mirror is a good choice. Like the hollow craft starlight shining makeup mirror, there is also a hollow design and exquisite rhinestones to match, plus the beautiful golden appearance, as the best gift for the 18-year-old adult ceremony.