Afro Curly Hair Extensions Color Light Brown Synthetic Hair Bundles 16 18 20 Inches 3 pcs/lot High Temperature Fiber Hair Weave(2#) 
Weight: 70 gram/bundle. 1 pack 3 bundles. 1-2 packs enough to do a full head. 
Item quantity: 3 bundles/pack. 16 18 20 inches each length 1 bundle. 
Material: Hight temperature heat resistant fiber. 
Can be straightened: Yes. contral the temperature within 350 Fahrenheit. 
Can be permed: If you want to curl it with curling iron, it will not work. the hair can not melt, it is just hard to curl it with curling iron. you can roll the hair on a stick and put it into hot water(temperature should be up to 180 Fahrenheit). and leave it for 5 minutes. 
MAINTENANCE 
The following are general washing instructions 
1: Detangle hair from ends to roots before washing. 
2: Carfully wash the hair with luckwarm water and mild shampoo. do not rub or twist the hair. Then follow with conditioner. 
3: Gently squeeze out excess water and dry it with a towel. 
4: Dry and style hair as recommended by hair stylist. 
5: The hair can last longer if it get well maintained. 
Note: 
- Products can not be dyed 
-When used, please spray some water or hair care products to prevent static electricity -Color that appears on your monitor could vary from the original color of the wig due to different resolution settings of your monitor.