Sanfeel via Amazon offers its Sanfeel Anti-Spy Screen Protector for iPhone 8 Plus / 7 Plus in Black or White for $11.99. Coupon code "NIDS5UAF" cuts that to $8.99. Plus, Prime members bag free shipping on all orders. That's $3 off list and the lowest price we could find. It distorts your screen when viewed from acute angles. Deal ends December 15.