She shows what the lingerie was hiding

A blonde in a matching lingerie set, working through it piece by piece for the camera. She turns before each layer goes, letting the fabric sit low on her hips a moment longer than needed, then lifts it away. Nothing is hurried out of the frame. By the end she is bare and still posing.

Mature confidence is what carries the striptease. She knows which angle flatters her fuller figure and returns to it, and the whole thing plays out with the easy self-assurance of someone undressing in her own room rather than on a set.