Cosmos 4 PCS Silicone Neck Strap Band Lanyard for Iphone 4 4s 3 3gs Ipod Nano Touch Itouch (SET 1) Material: Elasticity silicone Built-in adjustable ring for the length adjustment Press the button and pull the strap out for remove Easy to use, just connect to Apple 30 pins Dock connector for install Package includes 4 pcs lanyard:white, blue, pink, hot pink