Amazon.com : Yotty 16。Brand new and in flawless condition — this set of silky straight human hair extensions delivers a natural, elevated look perfect for weddings, parties, special occasions, or everyday glamour. The hair is soft, shiny, and incredibly versatile. ? Condition: Brand New ? Measurements 18 inches length, 20 pieces per pack, 50 grams total weight ⭐️ Features Ultra-Thin, Invisible Tape: Featuring ultra-slim, medical-grade double-sided tape that blends seamlessly into your scalp. Completely invisible—even in high ponytails, buns, or updos. Real Remy Human Hair: Made with Real Remy human hair (cuticles aligned in the same direction) for unmatched softness, shine, and durability. Safe to curl, straighten, blow-dry, or even color—just like your own hair. Easy DIY Application: No salon visit needed! Install at home in minutes with no special tools. Includes step-by-step guides and video tutorials—suitable for beginners. Can be dyed to darker color, curled and straighten. Pack Count Recommendation: use 2–4 packs depending on your natural hair density and goal (length vs. volume). Full-head application typically requires 3–4 packs, as longer extensions are thinner at the same weight. Color & Shades: Choose from over 20 true-to-life colors—including balayage and highlight options. Colors may vary slightly due to lighting or screen settings. fast shipping, smoke-free home, bundle & save B07S5YBFCK