# Sandbox.GameObject.IsStatic

```csharp
bool IsStatic { get; set; }
```

This object never moves during gameplay, letting rendering, physics and navmesh
make static optimizations. Children inherit this via [Sandbox.GameObjectFlags.Static](/api/Sandbox.GameObjectFlags/Static)
on any ancestor.

Declared in [Sandbox.GameObject](/api/Sandbox.GameObject).
Assembly: `Sandbox.Engine`.