Sleek For The Week by Hairdo is the perfect sleek straight wig. This silky mid-length style is perfect for all seasons and occasions, and with the Tru2Life heat friendly synthetic fiber you have the flexibility to style it however you please. SPECIAL FEATURES Tru2Life® Heat-Friendly Synthetic Hair -The Tru2Life® fiber looks and feels like human hair and can be heat styled using thermal styling tools up. Our recommendation for styling Heat Friendly fiber is to stay between 275° F-300° F for best results.