Aquapac 104 Phone / GPS Transparent Waterproof Case Size Mini, supplied with adjustable neck cord, is ideal for protecting really small phones & GPS units. Calls can be made / taken right through the material, with many phones there is no noticeable difference to the volume, & the GPS signal is also unaffected. Maximum size of equipment to fit in case: Circumference 150mm x Length 125mm. Submersible in water up to 5m maximum plus keeps dust and sand out. A LENZFLEX window is present on the back, so that a camera-phone can take photos right through the case. Available in four other sizes.