Top Smart Wavy 18" by Jon Renau is a lace front hair topper that adds coverage and volume in just seconds. With its wavy curl pattern and its signature SmartLace design, this clip-in synthetic topper provides coverage to the front hairline and crown areas. Top Smart 18" is perfect for those who want to add a lot of coverage to the top of their head. Top Smart Wavy is also available in Top Smart Wavy 12".