Simply Extensions 100% Human Remy Hair with the cuticle intact - Silky Straight Texture, Color 1B Off Black. 1 Pack is perfect for Volume. 2 Packs for length for customers with medium length hair, and 3 Packs of hair is needed for customers who have shorter hair and want to go for length and volume. The average head of hair using the Simply Extensions system is 10-14 strips of hair (2-3 packs) when wanting to achieve length and volume. Simply Extensions, Extensions 2 Go brings salon quality hair into the comfort of your home using 100% Human Remy Hair at an affordable price. Simply Extensions double sided tape method uses the safest and healthiest attachment system available on the market. Simply Extensions DOES NOT sandwich hair in-between the extensions, our seamless tape in method hair extensions are supported on the top and bottom by your own hair therefore NO TENSION DAMAGE OR BREAKAGE occurs when wearing Simply Extensions Seamless hair extensions.