IQ Shield via Amazon offers its IQ Shield LiquidSkin Apple iPhone 6s Screen Protector for $7.35. Coupon code "YTETINAX" makes it free. With 50 cents for shipping, that's $20 off list and the lowest total price we could find. It includes an installation tray or solution, squeegee, lint-free cloth, and installation instructions.

Also available is the IQ Shield LiquidSkin Apple iPhone 6s Plus Screen Protector for $7.35 before coupon code "TQLPTKZZ", free after. With 50 cents for shipping, that's $20 off and another price low.