Originally Posted by jasejase
The car seat protectors are great ideas, however (iirc), none of them are approved for use with a car seat. they also void all car seat manufacturer warranties and protection guarantees. Basically if you use them, and your car seat 'fails', it's all on you.
True, however 303 "addresses" that issue. See my link.
Whether or not it is "approved" by manufacturers unfortunately it's another issue.