EASIPART HD 18" is a one-piece volumizer that adds instant thickness and body to your hairstyle, clipping in quickly for all-day comfort. The ultra-natural-feeling HD fiber can be styled with heat, and the monofilament base lets you style the hair in any direction. Features polyurethane along the perimeter of the base for durability. For extra volume and coverage, choose the new EASIPART XL with a larger base construction. Base Size: 5" x 2 3/4". Color Shown: 6.