10 to 22 inch: 2-3 bundles, 24 to 30 inch: 3-4 bundles

A: It depends on how you maintain it. Treat it like your own hair and take very good care of it, and then normally it could last longer than 1 year.

A: It may happen if the hair is too dry. Please make sure to wash & condition your hair at least once a week, twice a week is better. 

A: Yes you could use hair straightener or hair curler to style. However, don't do it too frequently, or the heat will make the hair easily get dry and tangled.

A. Yes. The hair is made of 100% human hair, so they can be colored. As a general rule it is easier to darken the hair than to lighten the hair. We recommend dyeing darker, since it is difficult for the original color to fade. Improper dying will ruin the hair. We highly recommend you to ask for help from your hairdresser. 

A: There might be color difference between different monitors. You could dye the hair if you need different color.