protective covering

Noun

Meaning

a covering that is intend to protect from damage or injury

the tough natural covering of some organisms

Source: WordNet

sealer protection armor carapace eggshell kevlar pellicle chain mail protective cover

hood armour crystal guard back cap

What attracted me the most of all to the detective story, was the protective covering offered to the author. Margery Allingham

they had no protection from the fallout Source: Internet

wax provided protection for the floors Source: Internet