The ZAGG InvisibleShield GlassFusion VisionGuard+ D3O Clear Screen Protector for Samsung Galaxy S21+ 5G is a hybrid‑glass protective film engineered to deliver enhanced impact and scratch resistance using a flexible elite polymer fused with D3O® impact additive that helps absorb and disperse shock before it reaches your phone’s screen, features VisionGuard+ technology that filters harmful high‑energy visible (HEV) blue light without noticeably altering color accuracy to support eye comfort, includes anti‑microbial treatment to inhibit the growth of odor‑causing bacteria and guard against surface degradation, maintains high display clarity and smooth touch responsiveness, and comes with EZ Apply installation tools for easy, bubble‑free alignment and reliable everyday protection | Zagg | | Screen Protector FIT SamsungGalaxy S21+5G Glassfusion VisionGuard+ D3O | Clear | Best Buy