This topper collection gathers the one-piece clip-in PU volumizers with 4.7”x5” in base dimension and more than 10 different hair colors. It can be worn over the part that can add instant thickness with a supremely natural appearance. Beautiful human hair is each stitched to the PU base, a luxury technique that hides and protects the knots for an undetectable look and feel. This topper collection provides extra coverage and volume for the mid stage of hair loss.