Yes, China Red Sandstone can be used in a bathroom. Sandstone is a durable and versatile natural stone material that is suitable for various applications, including bathroom countertops, vanities, shower walls, and flooring. It can add a beautiful and unique aesthetic to your bathroom while also providing a functional and durable surface. However, it is important to properly seal and maintain the sandstone to prevent water damage and staining in a wet environment like a bathroom.