10A Closure Straight is a Lace Closure handmade from gorgeous 100% human hair extensions. It is mainly used as a supplement to the Human Hair Extension Bundles for better Styling and finishing touch. Our Remy and Brazilian hair Extensions Closures come with Healthy Thick End giving them a smooth feel with no tangling and no shedding. The hair density is very natural with a realistic hairline and lace base that lays flat.