Hair weave: body or deep wave?

So i'm getting a sew-in weave and this is the hairstyle I want: http://beauty.about.com/od/hairstylephotos/ss/long_wavy_hairstyles_12.htm Is that body or deep wave? So would I have to flat iron the top part before or after sewing it in? If it helps I'm getting Outre Remi Velvet Human Hair but... show more So i'm getting a sew-in weave and this is the hairstyle I want:

http://beauty.about.com/od/hairstylephot...

Is that body or deep wave? So would I have to flat iron the top part before or after sewing it in?

If it helps I'm getting Outre Remi Velvet Human Hair but don't know whether to get the body or deep wave for this hairstyle. Also, should I leave hair out? How do I maintain it?

Thanks for your help!
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