How much does this cost to the nearest dollar?

Adeway Microsoft Surface Book 2/1 Screen Protector 13.5 Inch, High Sensivity, Anti Fingerprint, Tempered Glass Screen Protector for Surface Book Models) (2 Pack)
Full Protection Microsoft Surface Book 2/1 13.5 inch Models) with 9H Tempered Glass screen protector protects your tablet from scuffs and scratches by knife, keys and some other hard substances. High Response With advanced oleophobic technology surface coating artist, the screen protector ensures it original response sensitivity and touch feeling. Multi-touch subsystem when you are using with surface pen. 2.5D Rounded Edge The 2.5D rounded edge make your fringer swipe smoothly across the edges and improve the durability of screen protector, which provides maximum protection for your device and brings better experience for

Price is $21.00

Price: $21.21