In the video, a man is standing in front of a workbench. He is wearing a green shirt and holding a caulking gun in his hand. The man is speaking to the camera and appears to be demonstrating how to use the caulking gun. Behind him, there is a green paint can and a black bag on the workbench. The man is gesturing with his free hand as he speaks, and the caulking gun is pointed towards the camera. The background is a plain wall with a window, and there is a yellow tool on the workbench.