Amazon.com : Benehair I Tip Hair Extensions - 18 Inch Cold 。Brand new, never used, and in flawless condition — these premium hair extensions offer a seamless, natural look perfect for adding volume, length, and effortless style. The installation is gentle, secure, and designed for comfortable, long-lasting wear. ⭐️ Features High Quality Remy Hair: Made of 100% remy human hair to reduce knots and split ends and improve smoothness. Service life is 2-3 months longer than ordinary hair. Upgraded Italian Keratin Glue: Natural extracted glue with higher elasticity that won’t crack, greatly reducing pulling and foreign body feeling. Cold Fusion Technology: Does not require heating or glue, minimizing damage to hair. Uses micro beads to secure extensions that won’t fall off. Clamp beads with tweezers once a week for maintenance. Specifications: 50 g per pack. 50 strands per pack for 18 inch length. 1-2 packs for a natural look; 3 or more packs for a thick hair effect. Color Matching Service: Contact for assistance with color selection. Note that monitor and lighting differences may cause slight color variation. ? Condition: Brand new ? Measurements Length: 18 inch Weight: 50g per pack Strands: 50 strands per pack ? Materials / Fabric 100% remy human hair Keratin Italian keratin glue ? Bundle & Save fast shipping, smoke-free home, bundle & save B0CJM54NL4