In the video, a person is seen washing a guinea pig in a sink. The person's hands are covered in soap suds as they gently scrub the guinea pig's fur. The guinea pig appears to be calm and cooperative during the bath. The sink is filled with water, and the person is using their hands to thoroughly clean the guinea pig. The video captures the process of washing the guinea pig from different angles, highlighting the care and attention given to the animal during the bath.