?Service Life?Longer Lifetime Depends on Good Care 3-4 months, it is long-lasting with good care. Sunny Micro Ring Hair Extensions Brown is silky,shiny and smooth, still perform well after washing and styling.Please use a neutral mild shampoo to care hair. Please do not use hair dryers and let it dry naturally. ?Detail Design?Microlinks Hair Extensions Brown— The super mini invisible design of micro loop makes you look natural. While increg hair volume, it can make your head look fuller and protect your beauty secret. No heat is required, easy to apply, easy to take off. Feel soft, covert and silky after using. ?Can Be Dyed and Style?Brown Micro Loop Ring Hair Extensions have the most abundant product system to meet your different needs for texture and color. It can be straightened, curled, washed and dyed to darker color with professional dyeing process. In the process of styling, please note that the temperature should not exceed 180 degrees Celsius. The product pics are all taken pics, and there will be a little difference under different lights. ?About Micro Rings?The Micro Rings are silicone materials. Firm and does not damage the hair. Use of micro ring (Outer Diameter: Approx. 0.5cm/0.2inch; Inner Diameter: Approx. 0.3cm/0.12inch; Height: Approx. 0.3cm/0.12inch). ?Specifications?Micro Loop Human Hair Extensions Brown Weight: 50g. Available 14-24inch length,1g/strand, 50g/set. We recommend 2-3 packs to increase the volume, and 3-4 packs to extend the length.