Canon WP-DC43 Waterproof Underwater Housing Case for the PowerShot S100 + Replacement NB-5L Battery + Silcone Grease + Silica Gel + Underwater Light
The PowerShot Waterproof Cases are specially designed to protect your PowerShot Digital Camera from sea water and sand.  Reliable and easy to use, these cases offer new shooting possibilities and help you realize the full potential of digital photography.KIT INCLUDES:* NB-5L BATTERY PACK.* SILICA GEL.* SILICONE GREASE.* UNDERWATER LIGHT.