Freeze-Dried Preserved.
Completely dry, so they can be sectioned with a scalpel to show the internal structure, these lungs can be displayed easily, without fear of chemical or fluid leaks. To enhance their durability, they have been treated with a clear plastic sealant. Note: Not intended for rehydration.
Note: Ward's® preserved sheep materials is a byproduct of the food industry. Sheep are not raised specifically for dissection. These animals are recycled" for educational use."