Infinite Products VectorGuard Screen Protectors for Amazon Kindle Fire (2 Pac... by Infinite Products. $4.95. Protect your precious Kindle Fire screen with the VectorGuard from Infinite Products. High quality, ultra clear, VectorGuards will protect your Kindle Fire screen from scratches, scrapes, and even the streaks left behind from your fingers. With 2 in the pack, you can share with friends, or keep some for later.. Save 76% Off!