Brolly Sheet Kids Car Seat ProtectorDescription As we all know, cleaning up little accidents when you're out and about can be a real drama if you aren't prepared. Luckily, Brolly Sheets has you covered with our Waterproof Car Seat Protector. It's perfect for long (or short) car rides for use in buggies and high chairs as well, wherever little bottoms need a little extra protection. Our Waterproof Car Seat Protector comes in a range of great colours and in one size to fit most car seats,