Our I-tips are 100% human, remi hair, suitable for professional use. Individual strands are 1g each and double drawn to ensure thickness from root to tip. Installed in rows to ensure a natural look and movement. Hair can be worn up or down without the worry they will be noticed. I-tips should be applied with silicone lined micro rings or tubes to protect the natural hair and allow for growth. 50 strands per pack 1g strand 100% Human, Remi, Double Drawn Life span 1-2 years with appropriate aftercare Recommended number of packs: 1-3 thin hair, 3-4 medium thickness, 5-8 thick/very thick hair. If you are not sure of your colour, why not send a picture to our email address info@bounceliverpool.co.uk, and one of the team of professional hair extensionists will colour match for you. Please ensure that all pictures are sent in natural daylight, without a filter. Always have a professional install your hair, to avoid damage.