Alpatronix BX140plus Additional & Extra Color Bumpers for iPhone 6S/6 Plus Battery Case - 5 Pack (Assorted Colors - Smoke, Red, Purple, Blue, Pink) 5 additional color bumpers for more color options for your Alpatronix BX140plus battery case. Comes with colors: Smoke, Red, Purple, Blue, Pink. Please note: extra color bumpers are fitted ONLY for the Alpatronix BX140plus battery case. Emergency replacement bumper in case other color bumpers are misplaced or broken. Added flare and variety depending on your mood. Match the color of other accessories you own. Installation is easy and connect to your existing Alpatronix BX140 battery case within seconds.