Importer520 7in1 Combo Colorful Diamond Anti Dust 3.5mm Earphone Jack Plug Stopper For Nokia Lumia 521(T-Mobile) Suitable for all types of 3.5mm cellphones, MP3 players, GPS, PDA, iPhone, iPods Quantity : 7 x different color anti-dust stopper.(Blue/Purple/Hot Pink/Green/Black/Red/Gold) Accessory Only Protect your Apple iPhone or Any 3.5-mm jack Device against intrusive dust with this dual-use dust cap and sim-card eject pin Prevents dust from entering device