100% Remy human hair 14 inch: 1 long weft (75"-80"), 120 grams/pack / 4 oz per weft16 inch: 1 long weft (70"-75"), 120 grams/pack / 4 oz per weft18 inch: 1 long weft (65"-70"), 120 grams/pack / 4 oz per weft20 inch: 1 long weft (60"-65"), 120 grams/pack / 4 oz per weft22 inch: 1 long weft (55"-60"), 120 grams/pack / 4 oz per weft24 inch: 1 long weft (50"-55"), 120 grams/pack / 4 oz per weft Product Description Bombshell Extension Co.'s Machine Weft hair extensions are machine-stitched, 100% Remy human hair, designed for maximum volume, longevity, and customization. Weft Construction & Application This weft requires no tape, glue, or heat for application. One continuous weft that can be cut into smaller pieces to customize for various head shapes. Spine of the weft is slightly larger than the Hand-Tied Weft. If cutting the weft, apply hair glue to edges to prevent unraveling and shedding. To install, use the beaded weft method. Bombshell education is available HERE