Human hair topper integration piece that can be used as a hair filler topper adding volume and richness to any existing style. Perfect for fine, thinning hair. Use the clips to slide into your existing hair, and blend the hair with your own hair. 100% Tangle-Free Super Remy Human Hair: Human hair with the complete hair strand including the cuticle which retains its ability to remain tangle-free and retain its original luster. Super Remy hair has been treated, but not compromised, to provide a consistently soft, healthy and natural look. Cap Base size is 4" x 4"