The three piece Envy straight hair extensions are made from premium class, heat resistant synthetic fibre & are already pre-styled & ready to wear. Use extensions as an easy way to adjust length & volume of your hair. Perfect for creating thick & long hair styles. Product information: Contains 3 wefts weighing 240 grams: Weft 1 – 5.7″ 3 Clips; Weft 2 – 7.5″ 4 Clips; Weft 3 – 10.4″ 5 Clips. Length: 22″-24″ inches. Use heat up to 180 degrees in Celsius. Do not use higher temperatures as that will damage the fibre. Wash it with shampoo & conditioner meant for synthetic fibre & let it dry out naturally.