Pet supplies refer to the various products and items needed to care for pets, including food, toys, grooming tools, and bedding. These supplies are essential for maintaining the health and well-being of pets such as dogs, cats, birds, and small animals. Common pet supplies include pet food, which provides necessary nutrition, and toys that help keep pets entertained and mentally stimulated. Additionally, grooming supplies like brushes and shampoos are important for hygiene, while collars and leashes are essential for walking pets safely.