Pay 1 get 2 wigs (buy one get one free wig), you could choose two wigs in the same length but different colour & textures as the picture show and just pay for one, such as straight highlight wigs and #ginger body wave wigs in 1 package.

Highlight Wig: https://www.westkiss.com/highlight-wigs-straight-hair-ombre-wigs-customized-human-hair-lace-front-wigs.html
Skunk Stripe Wig with Highlights: https://www.westkiss.com/skunk-stripe-wig-with-honey-blonde-highlights-body-wave-human-hair-lace-frontal...  more