About the product Material:100% unprocessed virgin human hair.clip in extensions are made from selected human hair.Hair cuticles are not stripped and remain aligned in one direction.Extensions blend nicely with your natural hair. Length & Weight:We strived to find out the best balance point between length and weight. 16inches - 22inches is 100g /lot Please stretchen the hair firstly before measuring the extensions. Durable Snap Clips:Double weft clip in hair extensions with U-shape 6 Teeth steel clips.Sturdy and easy to clip on.The clips have rubber silicon so they do not slip.They are gentler on your hair than traditional clips. Advantage:The most cost-effective remy clip in extensions.Hair can be straighen,washed and curled.Very soft and smooth.No shedding,no tangle,no bad smell.These extensions can last for 6-12 months with proper care.