The car should shine not only on the outside, but also on the inside. However, no matter how well you clean the interior of your car, sooner or later dirt, dust, debris and moisture will start to accumulate there, which is an excellent environment for the bacteria to develop.
Not only do they need to be cleaned regularly, they also need to be replaced periodically. If you've noticed that your mats have lost their appearance, are showing signs of wear and tear, and are emitting an unpleasant odor - it's probably time to replace them.
Luckily, it's not hard to find good mats for your vehicle and you can pick the one that's perfect for you - whether you want a factory design or a pattern that's easier to clean, plain black, or the color of your interior, it's all down to your imagination.