Braun Oral B Type 3716A toothbrush button / switch membrane replacement for flexible filaments

The original grey membrane between the housing and the on/off switch of the electric toothbrush deteriorated beyond being usable. Making it difficult to switch the toothbrush on or off.

The design should fit in relatively snugly.
I rely on the flexibility of the filament to conform to the radius of the toothbrush. It worked fine with Qidi TPU 95A HF.
I glued the housing back together with some glue.