# Observation Wrappers

```{eval-rst}
.. autoclass:: gymnasium.ObservationWrapper

    .. automethod:: gymnasium.ObservationWrapper.observation
```

## Implemented Wrappers

```{eval-rst}
.. autoclass:: gymnasium.wrappers.TransformObservation
.. autoclass:: gymnasium.wrappers.DelayObservation
.. autoclass:: gymnasium.wrappers.DtypeObservation
.. autoclass:: gymnasium.wrappers.FilterObservation
.. autoclass:: gymnasium.wrappers.FlattenObservation
.. autoclass:: gymnasium.wrappers.FrameStackObservation
.. autoclass:: gymnasium.wrappers.GrayscaleObservation
.. autoclass:: gymnasium.wrappers.MaxAndSkipObservation
.. autoclass:: gymnasium.wrappers.NormalizeObservation
.. autoclass:: gymnasium.wrappers.AddRenderObservation
.. autoclass:: gymnasium.wrappers.ResizeObservation
.. autoclass:: gymnasium.wrappers.ReshapeObservation
.. autoclass:: gymnasium.wrappers.RescaleObservation
.. autoclass:: gymnasium.wrappers.TimeAwareObservation
```