[Home](./index.md) > [@three3d/volume](./volume.md) > [ImageVolumeMaterial](./volume.imagevolumematerial.md) > [isImageVolumeMaterial](./volume.imagevolumematerial.isimagevolumematerial.md) ## ImageVolumeMaterial.isImageVolumeMaterial property **Signature:** ```typescript readonly isImageVolumeMaterial = true; ```