The video shows a person using a piece of string to tie a bottle. The person is seen holding the bottle and the string, and then tying the string around the neck of the bottle. The person then cuts off the excess string and shows the finished product. The bottle appears to be made of glass and has a narrow neck. The string used is white and appears to be made of cotton. The background is a plain white surface, and there are no other objects visible in the video.