Most car seat reupholstering services offer warranties or guarantees for their work. The warranty and guarantee periods vary based on the service provider and the type of work done. A warranty or guarantee ensures that any issues or problems with the reupholstered car seats will be fixed without any additional cost. It is always recommended to inquire about the warranty or guarantee before choosing a service provider. A warranty or guarantee gives you peace of mind and ensures that the work is done to the best of the service provider's ability.