The iPhone 3G and iPhone 3GS share the same physical dimensions and the exact same shape. Cases designed for the 3G will fit the 3GS. Some of the cases shown below, while designed for the iPhone 3G, will fit the 3GS.
Marware Sport Grip for iPhone 3G/3GS
The Marware Sport Grip case provides smooth, sleek, slip-free silicone protection for your iPhone 3G or 3GS and offers direct access to all iPhone features including display, camera lens, dock connector, headphone jack, speaker, and microphone. Plus, the Sport Grip feels great in your hand. Ships with a clear, protective screen film and a micro fiber cleaning cloth.
The Elega Pouch is individually hand-crafted from the finest European Napa leather with Sena's well-known quality and strong attention to detail. The elegant pouch offers strength and durability with a snug design and expert protection especially useful when placed in a purse or briefcase, and Elega's light protective layer and shock absorbent padding provide a luxurious home for your iPhone, iPhone 3G or iPhone 3GS. The pouch design also includes iPhone Speaker Holes which allow the iPhone to be inserted in the pouch facing forward or toward the back of the case while using the speakers. The Ratchet Belt Clip design includes both vertical and horizontal pouch placement positioning.
Model 151927
DLO Leather Holster Case for iPhone 3G/3GS
The DLO Leather Holster is constructed of beautiful leather on the outside with a soft fabric-lined interior. Its handy center notch makes for easy one-handed iPhone pick-up, or you can use your iPhone hands-free, as the HipCase's unobstructed access to the headset jack lets your listen to music or take a call while your iPhone is still cradled inside.
The sturdy, leather-wrapped belt clip ensures your iPhone will always be within reach when you need it.
Available in Black or Brown.
ifrogz Luxe Case for iPhone 3G/3GS
The ifrogz Luxe Case for iPhone 3G/3GS is a hard shell plastic case with a low-profile, sleek design and is finished with a metallic facade and a velvety "soft touch" feel.
The Luxe case slides perfectly around your iPhone, allowing access to all of the buttons, ports, and sensors.
Screen protector included.
Available in several colors; Red/Black shown left.
BoxWave Shell Case for iPhone 3G/3GS
BoxWave's Slim Rubberized Shell Case for the Apple iPhone 3G or 3GS keeps your iPhone safe from scratches and scuffs without sacrificing the handset's slim form factor. The Slim Rubberized Shell Case has a cut-out design for the touch screen so that you can keep the same tactile feel as using the Apple iPhone without a case. Includes a detachable belt clip.
Sena Dockable Case for iPhone 3G/3GS
Looking for an iPhone case you can leave on all the time, even when the phone is docked? The Sena Dockable Case for the iPhone 3G and 3GS provides just that. Dock your iPhone with sync cradles, speaker systems and more without worrying about the case getting in the way.
Hand crafted from Italian Napa Leather, the Sena Dockable case includes a flap with a secure snap to keep your iPhone's screen covered when not in use, a removable belt clip and a pocket to store cash or other small items.
Belkin’s Armband for iPhone 3G/3GS utilizes a Fast Fit system to allow for consistent fit and easy on/off use. Made with hand-washable, water-wicking material, this sleeve’s sleek design effectively minimizes bulk, making it an essential part of your workout. The armband includes a cable capsule to store and manage ear buds, a clear screen protector that provides full access and easy navigation, along with a removable holster allowing you to use it as a dual-purpose case.
The Marware Sport Grip case provides smooth, sleek, slip-free silicone protection for your iPhone 3G or 3GS and offers direct access to all iPhone features including display, camera lens, dock connector, headphone jack, speaker, and microphone. Plus, the Sport Grip feels great in your hand. Ships with a clear, protective screen film and a micro fiber cleaning cloth. 
