Freepik and Graphics Factory are two online sites that allow users to download balloon clip art for free. Free clip art can be downloaded to a computer or wireless device for use on printed or electronic communications.
The two main types of clip art include bitmap images and vector images. Bitmap images are the traditional style of clip art graphics and include JPEG and PNG files. Vector images are higher resolution and provide a clearer graphic than bitmap images.
There are sites that provide clip art images for a fee and these images may or may not be better than those available for free. Graphics Factory is a site that creates its own graphics or purchases drawn graphics from artists for licensing.