Birch machine weft is a 22" piano weft featuring natural-toned level 7 ash and neutral level 10 ash blonde. These machine wefts offer the highest weft density, along with the flexibility to be custom sized, colored, and cut according to your preferences. The machine wefts are 22" in length and 35" in width, providing ample coverage and versatility. Each cuttable weft weighs 50 grams, allowing for easy customization to achieve the desired fullness and length. The number of wefts recommended per installation depends on the desired results: * For added thickness: 2 wefts, totaling 100 grams. * For added thickness and length: 2-4 wefts, totaling 100-200 grams.