Blow dry, flat iron, crimp and curl this heat-defiant five-piece set of clip-in hair extensions to add seamlessly blended, natural-looking length. easiXtend will revolutionize your styling options. The Heat-Defiant synthetic hair lets you safely use temperature-controlled (up to 350 degrees) styling tools to create just the look you want! Recommended for fine, thin hair. 20-inch wavy synthetic hair is sewn onto a Smooth Skin base. Base Height: 1 1/4". Kit includes: one 9-inch-wide weft, one 7-inch-wide weft, one 6-inch-wide weft, and two 2-inch-wide wefts. Model is shown wearing color 4.