Virgin Human Hair: Micro link hair extensions use healthy hair that donated from one donor. It has rich nutrients and intact cuticles. No tangling or frizzy. Its service life is twice that of traditional hair materials Cold Fusion Installation: the application of micro link hair extensions requires no heat or glue, it can minimize hair damage. Extensions are easy to put on and take off. The beads also match the hair color to provide invisible wearing effect Specification: 14"-24": 50 g / 50 s ( each pack). Under the condition of same weight, short lengths are thicker than long extensions. So we suggest to order 2 or more packs if you have long hair and want to have thick hair effect How to Care Real Hair Extensions: Human hair can be colored and styled. But hair extensions can not get nutrients from our body. So please avoid much coloring or perming. Conditioner and hair oil are important in caring the hair Color Difference And Color Matching: There may have color differences between the hair and the pictures under different monitors and lights. It’s normal. If you need help in choosing the color, we will provide color matching service DOORES is committed to the production of human hair extensions. We have the most advanced hair extension processing technology, which can combine with current trends to provide people with the most fashionable and high-quality hair extension products, helping you achieve your pursuit and experience of beauty. Introduction to the Microloop Hair extensions Material: 100% real human hair Lengths: 14 inches -24 inches Weight: 50g (50s), 1g for 1s Frequently Asked Questions: a. Does it support stiffening or curling:Yes, please keep the heating tool within 420 ° F b. How to install Micro link hair extensions?Take a strand of your own hair and pass it through the microbead with a crochet, then use tweeters to clamp the microbead to complete the installation.