DICOTA Secret - Notebook privacy filter - 4-way - adhesive - 13.5 inch - black - for Microsoft Surface Book 3 (13.5 in)

Protects your on-screen data by Microlouver technology, Privacy technology - dark screen while from a side view, Visible angle of up to 30° from each side, Anti-glare and anti-reflection, Prevents fragile LCD screen from fingerprints and scratches,