Wevezwomens Waist Skirt

What is the length of the skirt?

Hello, I bought one skirt before I wanna buy again different color if I buy it again could you sent one blue tone and one grey tone colors?

How do I determine if I need plus or regular size?

How do i know which print and color i will receive? i'm looking for the blue earth tones. thank you for your time and kindness :)