Attention please:
1. There is an anti-fog coating on the inside of the swimming goggles. To avoid damaging the coating and affecting the effectiveness of use, don't wipe it with your fingers or other objects . After use, rinse with clean water and then let it dry.
2. Plating goggle: wear it, you can see outside thing, but can't see inside from outside. The sight is a little darker than the transparent goggle. it can protect eye better in with strong light, like outside swiming pool.
Transparent goggle: good transparency, recommended for use in areas with weak light.
Manual measurement, may have an error of 1-2cm