• WENNALIFE hair extensions are made entirely of remy human hair, ensuring an ultra-soft, shiny, silky, and tangle-free texture. • Specifications: 3.8cm wide, 20 pieces, 50g per pack, available in lengths of 35cm, 40cm, 45cm, 50cm, 55cm, and 60cm. • Color: Dark Brown to Chestnut and Dirty Blonde Highlighted, creating a sun-kissed effect that blends well with your own hair. • High-strength invisible adhesive tape, hypoallergenic, docile, and water-resistant. The tape can last up to 4-6 weeks and is easy to put on or take off without damaging your own hair. • 10A Grade remy hair can be dyed, strengthened, and curled (under 250F). • Easy to apply and flexible enough to install anywhere on your head. • Water-resistant, you can swim with the extensions on.