Clip on extensions hair extensions quality: 100% Remy human. Pre-bonded keratin, double loop micro-beads and extensions with adhesive. Materials: Selected 100% Human Hair Extensions. Type:Grade 6A micro loop hair extensions with double ring beads,micro loop hair,straight human hair. Find great deals on eBay for Micro Loop Hair Extensions in Wigs for Modern Women. . Double Drawn Silicone Micro Ring Bead Loop Tip Remy Human Hair . Hair Type Human Hair Color Light Blonde (613#) Texture Straight Length Range 16 Inches,18 Inches,20 Inches,22 Inches Hair Extension Type Micro Easy Loop . Double Micro Loop Hair Extensions 18″- 20″. 2.99. 20 Piece Bundles. 100% Remy Human Hair. Click to view a larger image of the color match chart below. NINE COLOURS 20' Double Bead Easy Loop Hair Extensions 0.8g, 100% Remy A Grade Human Hair. Choose quantity & colour. 50 Strands per pack. Micro-ring hair extensions, known also as loop&lock, double loop or micro-beads, are a permanent method that does not use glue or heat during application.