Amplify Bead Me To It 3mm is a bottle of silicone-lined aluminum beads for Sewn Hair Extensions. Each silicone lined bead is made of an ultra-durable light-weight aluminum which is used to gently lock hair in place. The aluminum color coating is chip-resistant. The silicone lining protects the biological hair from damage, while preventing slipping and providing safe, long lasting wear. Available in 4 colors; Black, Brown, Light Blonde, and Dark Blonde. Contains 1,300 beads per bottle.