The video shows a black kitten and a white kitten playing together in a cardboard box. The black kitten is seen climbing into the box and then playing with the white kitten. The white kitten is sitting inside the box and seems to be enjoying the playful interaction. The box is placed on a tiled floor, and there is no other furniture or objects visible in the video. The kittens appear to be young and energetic, and their playful behavior is the main focus of the video.