Base Design Scientific arc design with Japanese polyurethane, make sure it more natural, more comfortable and more durable. Healthy Human Hair Real healthy human hair, no chemical treatment, no dye, hair cuticle is not damaged, it can be dyed as your preference. V-Loop Hand-Tied V-looped hand-tied, simulate human hair growth direction and density, it is about 650 pieces hair per square inch. Hair Material: 100% Healthy Human Hair Hair Color: Natural Color Base Size: 8 Inch x 10 Inch Base Design: PU-Durable006 What is Natural Color? Natural color refers to the color of hair itself, which looks like between 1b and 2, but it is not pure color. And the hair has not undergone any chemical treatment or dyeing. If the hair want to keep soft and smooth without chemical treatment, the hair quality must be top grade, so only best quality hair can be used for natural color. Natural color hair can be dyed at will. Even if you do not want to dye, the life of the natural color hair is also much long than colored hair. Customers DIY Show What is the Good Base? Natural, Comfortable, Durable, none is dispensable! The technician has designed PU-Durable006 on the normal base. PU-Durable006 is made by Japanese polyurethane with the most popular thickness 0.06mm, it is much soft, natural and durable. At the same time, the new design of base shape is more fitting to the head. Warm Tips: 1. The incorrect dye method will be damaged the base and make hair falling down. 2. To avoid hair shedding, please don't comb or push the hair when the PU base is wet.