These tape in extensions  are packaged into 100 grams per pack. This is equivalent to 1 bundle. 40 pieces of tape in extensions per set. 
 
These tape extensions are natural in color 1B and are able to be colored using bleach or hair dye. It is recommended to purchase 200 grams (2 packs). It is also recommened that you consult with a professional hair stylist before installing.