Cap Size: 4.7″x5.1″, 5.5″x5.9″, 6.3″X6.3″. Color: 1b(Natural Black), 2#(Dark Brown, the original hair color), 4#(Medium Brown), 6#(Light Brown) Hair Length: 8″, 12″, 16″, 20″. Base Structure: Soft Silk Top (the classic soft silk top which is always the most popular-realistic and comfortable and long life-time) Hair Material: 100% Chinese High Quality Cuticle Intact and Aligned Human Hair. Workmanship: Double Drawn Hand Tie. Functions: Thin hair supplementary, Fall hair supplementary, Bald cover, White hair cover, Frames face. How To Fix: Clips/Tapes/Glue. Density: 110% Characteristic: Very full hair and Realistic,comfortable and breathable,Long life time,can be colored/permed/blew/cut/washed as you need.