Classic clip-ins are weft attached to lace fabric with clips added on the back while seamless clip-ins the hair is bonded to an ultra-flat silicone base and clips also added. Look, you can't go wrong with classic or seamless. Clip-ins offer versatility and the ability to be able to take out daily and put back in your hair easily, can be done with no experience. Hair can be colored/bleached. Clip-ins snap at the base of your roots. Hair can be teased at the roots for better hold, or just snapped in with clips that are on clip-ins.
 
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