The 18" easivolume 100% Remy Human Hair is a one-piece clip-in system designed to add instant volume and mega bounce in just seconds. Made with only the finest 100% Remy Human Hair you are guaranteed hassle-free, salon-perfect hair that lasts, plus it's virtually tangle-free! Flat iron, blow it dry or curl it up...whatever your style the 18" easivolume 100% Remy Human Hair makes a great hair day a snap (literally)! The easy, clip-in system can be applied in seconds and will attach safely and securely without causing damage to your own hair. Ideal for all women with mid-length or longer hair or those with thin, fine hair. Choose from 21 salon-inspired hair colors to ensure the perfect blend. Base Dimension: 10" x 2.5"