Canned tire inflator

Canned tire inflators are single-use devices intended to provide a quick, temporary solution to drivers who experience flat tires. These devices seal the punctured tire and then reinflate it with pressurized gas, providing enough pressure to allow the vehicle to be driven for a short period at low speed. This allows the motorist to have the damaged tire professionally repaired or replaced, avoiding the need to replace the wheel at the roadside.

Canned tire inflators contain a pressurised fluid mixture of three components:

The sealants used in some systems can be removed with soap and water while wet, but require mineral spirits to dissolve them once they have solidified.

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Wikipedia