In the video, a young girl is seen standing by a body of water. She is wearing a life vest and holding a snorkel. The girl is demonstrating how to put on the snorkel by first placing it in her mouth and then adjusting it to fit properly. She then puts on a mask and shows how to properly adjust it for a comfortable fit. The girl appears to be preparing for a snorkeling activity and is taking the necessary steps to ensure her safety and comfort while underwater.