You can hang it outdoor or indoors, each crystal will create a beautiful and unique color under the natural light. The Highlight of these crystal suncatchers. 1\. Hang it in a place where can be hit by sunlight, the crystal suncatcher will create a beautiful and lovely rainbow. It will reflect the different light effects when the sun shines from different angles. 2\. Very perfect to decorate any place, such as Christmas tree decorations, parties, chandeliers, walls, nurseries, cars, plants, curtains, balconies, and other occasions. 3. This is an exquisite gift for any occasion, the perfect gift for your mother and your lover, wife, fiancee, friends, everyone receives it will be happy.