Length available: 14"-30" Weight: 0.5g, 0.7g, 0.8g,1g Color: All colors are available Material:100% human hair, Remy human hair, cuticle hair Texture available: Silky straight, yaki, body wave, deep wave, water wave, super wave, French curl, Italy curl, Jerry curl and so on Package:25 strands/pack, 50 strands/pack, 100 strands/pack Thel extension is made by 100% handwork. The ingredient of nail is keratin. It can be removed by keratin remover after melted. We also have I-tip, U-tip,V-tip,flat and loop for your choice. It can be dyed, permed and re-styled, because it is made by an soft and fine 100% human hair, therefore, it looks very natural! A very charming look.