Cosmetic bags are a great way to keep your makeup and toiletries organized and in one place. They come in a variety of styles and sizes to fit your needs. Here are a few things to consider when choosing a cosmetic bag.ïCosmetic bags are made from a variety of materials, including leather, vinyl, canvas, and nylon. Leather and vinyl cosmetic bags are more durable and will last longer, while canvas and nylon cosmetic bags are lighter and more affordable.