In the video, a dog is seen sniffing a purple mat that is lying on the ground. The mat appears to be made of a plastic material and has a honeycomb-like pattern. The dog seems to be curious about the mat and is sniffing it from different angles. The mat is rectangular in shape and is placed on a concrete surface. The dog's fur is light brown, and it has a medium-sized build. There are no other objects or people visible in the video.