In the video, a woman wearing yellow gloves is seen using a caulking gun to apply caulk to the corner of a bathtub. The bathtub is white, and the caulking gun is blue and white. The woman is applying the caulk in a steady motion, ensuring that the caulk is applied evenly. The bathtub has a silver faucet and a silver drain. The woman is focused on her task, and the video provides a clear view of the caulking process.