TIGRADETitanium Rings 4MM 6MM 8MM 10MM Wedding Band in Comfort Fit Matte for Men Women Size 3-15

Does this ring have the shiny edging? I bought another and it is gray all around and not like the picture shows.

Why does it say to remove when you shower?

Can I return ring for bigger size?

is this jewelry grade titanium? grade 1-4?