This is an empty glass bottle of Nature-Glo embalming fluid made by Hydrol Chemical Co.
The back of the bottle is embossed with the Hydrol logo.
The labels have some marking on them.
“Cosmetic Embalming Fluid.”
8.25″ x 2.5″.
Several are available. You may not receive the exact one shown in the photo, but they are all in similar condition.