What is the G-Form iPhone X-Protect? The innovative G-Form iPhone X-Protect is available in a choice of colours including black, yellow, red, blue & white & features Reactive Protection Technology that instantly stiffens upon any form of impact & absorbs over 90% of the energy, which provides state of the art impact protection for your iPhone 4/4S. The G-Form X-Protect case will provide you with peace of mind when you are on the go. How does the G-Form iPhone X-Protect work? The G-Form iPhone X-Protect features a tough, rigid exterior shell with the innovative & groundbreaking Reactive Protection Technology on the interior; this provides 360 degrees worth of high impact protection for your iPhone. The X-Protect for iPhone is both shockproof & will resist abrasions as well as enduring the wear & tear of everyday use along with any adventure or outdoor activities you wish to take part in. The X-Protect for iPhone also has a slim lightweight design & will absorb over 90% of the energy from impacts, then straight after the case will return to its natural flexible form.