This product is either discontinued or we cannot get that from suppliers.
Kensington Privacy Screen For Surface K55900WW, Cleaning cloth included, Can be installed using double-sided tape, Reduces harmful blue light by up to 30%, Tinted Clear, Display LCD.
Narrows the field of vision on the screen to +/- 30 degrees (in landscape mode), helping you keep the information on your screen private and reducing the chances of a visual data breach, which is important both in the office or in a public setting.