Bohyme I-Tips Silky Straight use the highest quality 100% Remi® human hair. Not only are they easy to install and remove, they can also be utilized for a full head of extensions or different colored highlights. Keratin-Tipped 60 Pieces (2 Bundles) - Net Wt: 40g - 47g per 60 Piece package, depending on length 120 Pieces (4 Bundles) - Net Wt: 80g - 94g per 120 Piece package, depending on length Available Lengths: 14" (36cm) 18" (46cm) 22" (56cm) I-TIPS They are individual extensions which resemble the tip of a shoe lace. Each tip of hair is usually secured with micro rings or cylinders to strands of hair. This allows stylists to more precisely add length to specific areas.