Do this Goggles protect 100%?

[nmlaser]

My laser 808nm IR Laser mW unknown but i think its good enough.
The goggles stats: 808nm 830nm 850nm IR Infrared Laser Protection wavelength range : 808nm-850nm, OD 5+
Protection features: all-round reflection.
Application: Laser Lab/Laser Testing/Laser industrial/Laser Researcher
My question:
Can this protect me 100% from this laser? Price is about 35$
thanks ahead!