In the video, a white dog is seen wearing a green dinosaur costume. The dog is standing on a carpeted floor and appears to be looking around and moving around in the costume. The costume has a tail and spikes on the back, and the dog seems to be enjoying wearing it. The dog's tongue is sticking out, and it appears to be panting. The background is a room with a carpeted floor, and there are no other objects or people visible in the video.