The Montblanc Extreme 3.0 phone sleeve can hold a phone up to 6.1". The embossed full-grain bovine leather featuring the Montblanc Extreme 3.0 motif lends an unmistakable style, alongside the black metal fittings. Thanks to a side ring on the back, you can attach the phone sleeve to a hook or neck strap to always keep your phone close at hand. Neck strap sold separately.