When purchasing a vase, there are many factors to consider. Here are a few tips to help you choose the right vase for your needs. Consider the size of the vase. Vases come in all different sizes, so you'll need to decide how large of a vase you need. Think about the size of the room you'll be putting the vase in and how much space you have to work with. Think about the style of the vase. Vases come in all different styles, so you'll need to decide what kind of look you're going for. Do you want a traditional vase or something more modern or luxurious vase?