You're an active person, you never stop... It is just so inconvienient to store your iPhone away in a pocket or bag when you need both hands free to catch that ball, skip that rope or abseil that cliff! That's where the Phone Sport 3GS from Bone Collection steps up, giving you freedom to jump, run, cycle or walk all with the ease of use that only an iPhone arm strap provides. You'll never miss a call with your iPhone 3GS or iPhone 3G so accessible and you'll never have trouble with earphone cable lengths, so common when your phone is stored away in a bag or pocket. Suitable for an arm girth of 25 to 38cm, this iPhone armband with porous hole is made from biodegradable and washable silicone, also meaning it is light and elastic - just perfect for those hours of personal training. With its included protective screen layer and three sided silicone base, the Phone Sport is a true four sided protective cover for your favourite digital device. With dimensions of 420x115x15mm and tiny weight of just 64g, this cover and arm band wont add extra weight or bulk to your iPhone 3G or 3GS, it only adds functionality and complete convenience.