Body Wave defined waves are set into a natural looking, deep wave pattern allowing you to create a fabulous deep wavy hairstyle. This hair also hold curls beautifully and flat iron smooth and straight. Natural movement, luscious, silky, tangle free, dye-able long lasting quality hair. With proper maintenance, your hair and weft can easily last up to 1 or more years. Please note, It generally takes 2 bundles for a normal install. If installing 18 inches or more, you may need 3-4 bundles to achieve your desired fullness.