Save BIG with our Bundle Deal! 3 Bundles of our 3C/4A hair that blends perfect with natural hair. These extensions are made to resemble 3c and 4a hair. Our 3C Curly Hair Extensions are made to resemble 3c and 4a hair. The 3C curls are tight, corkscrew-like ringlets that are densely packed and have a lot of volume. 4a curls are packed in tight with a spiral pattern. If your natural hair has a similar curl pattern these extensions with blend perfectly! They are 100% human hair and require gentle handling and care to thrive. We recommend using products that are oil and alcohol free to avoid weighing the hair down or drying it out.