This Elodie dress is a great addition to your wardrobe. To wear it, simply slip it on like any regular dress. As for the missing button, you can either leave it as is for a trendy look or use one of the spare buttons to fix it. When it comes to maintenance, follow the care instructions on the label. Usually, it's best to wash it in cold water and hang it to dry. Avoid ironing directly over any delicate parts of the dress. Since it's a sample, cherish its uniqueness and make it a standout piece in your collection.