• Sew in Weft Natural Soft & Durable Human Hair Extensions: made of 100% remy human hair. • Natural silky appearance and soft touch, natural shine, no tangles. • Sew in weft hair extensions use the double weft process. • 35 cm-40 cm: 80 g/package, 45 cm-60 cm: 100 g/package. • Weft hair extensions can be used in various ways. • Sewn directly with clip, glue, or microbeads. • The weft thread is light and soft, perfectly fits your scalp. • We recommend washing hair extensions with mild shampoo and conditioner. • Hair extensions are the same as our own hair extensions, they need careful care to last 4 months or more.