Bombay Hair Tape–in Extensions are made from 100% Cuticle Remy Human Hair, making them the ideal quality for semi-permanent hair extensions. Beautifully thick hair from root-to-tip. All our packs (bundles) are sold in 50g packs in order to allow the client maximum flexibility with mixing & matching hair colors. WHY BOMBAY HAIR TAPES? 100% Cuticle Remy Human Hair Thick from root-to-tip Hair is treated with no silicone Can be heated styled with Bombay Hair tools Smaller packs for maximum flexibility with mixing & matching hair colors METHOD DESCRIPTION: Bombay Hair tape used in our hair extensions is a medical adhesive and is hypo-allergic – made in the USA. Our tape provides a secure application that can also be easily removed and/or for reapplication. Once hair is ‘sandwiched’ in between two (2) pieces. For thinner hair types, you may apply just one (1) piece with single-sided tape. For more details, see below installation video. What's in the Pack Total Weight: 50g / 1.7 oz (each piece is 2.5g) Total Pieces: 20 pieces per pack (10 sandwiches) Length: 16", 18", 20" or 22"  Texture: Straight Application: 0.5 – 1.5 hours Reapplication: 6-9 weeks Lifespan: up to 1 year How Many Packs Do I Need? Thin Hair: 2 to 3 packs (100g to 150g) Medium Hair: 3 to 4 packs (150g to 200g) Thick Hair: 4 to 6 packs (200g to 300g)