"A round portion of galvanised rubber. Required to repair the Camper Van."
Tyres are an item in Sheltered.
Obtaining[ | ]
Usually, Tyres can be found in Petrol Stations, Shacks and Scrapyards, although the latter have a higher chance to contain Tyres and other RV parts. The item is using the British spelling of "tire".
Use[ | ]
As implied in the description, Tyres are used in order to repair the Camper van. You will need four Tyres to fix the RV.