[Home](./index.md) > [@three3d/volume](./volume.md) > [VolumeMaterialUniforms](./volume.volumematerialuniforms.md) > [isDoubleSide](./volume.volumematerialuniforms.isdoubleside.md) ## VolumeMaterialUniforms.isDoubleSide property **Signature:** ```typescript isDoubleSide: IUniform; ```