Open Peeps is a hand-drawn illustration library created by Pablo Stanley. It offers a collection of customizable vector illustrations that can be used for various purposes. The library functions like building blocks, featuring vector arms, legs, emotions, clothing, hairstyles, and facial expressions that can be mixed and matched to create unique characters (Peeps). It is a versatile resource for product illustration, marketing imagery, comics, user flows, and more. Open Peeps is available for free, both for commercial and personal use, under the CC0 License.