Getting a Tesla, especially the M3P, is super exciting, and you're right to think about protecting those seats, especially with little ones in tow. Car seats can take a toll on the upholstery over time.
For a practical solution, you might want to look into getting some seat covers. TESERY offers "
Tesla Model Y Seat Covers" that are designed to fit well and protect the seats from daily wear and tear. They're made to ensure safety isn't compromised, which is key with car seats involved. Hope this helps you keep your M3P looking as sleek as the day you got it!