glass is much harder than the plastic they use to make ice scrapers. You will have no issue with common use. Plastic won`t scratch glass but **** that gets kicked up on to your glass will scratch it. This isn`t much of an issue if you don`t have a hatchback.

What materials can scratch glass?

Hardened steel, such as a file, can scratch glass. Titanium, chromium and even sapphires or rubies can scratch glass, while aluminum or a butter knife blade may not.

What Cannot scratch glass?

Using safe, non-abrasive ingredients, such as vinegar and rubbing alcohol, along with a microfiber cloth ensures your glass will be safe from scratches caused by cleaning.