Phone dimensions 146.7 x 71.5 x 7.4 mm nutshell #296 holster 140 x 73 x 10 mm using an apple leather or silicone cover? Nutshell #290 holster 145 x 87 x 14 mm. This premium leather phone holster is designed to accommodate the apple i phone 12 pro. this provides the best way of keeping the phone safe and close so that it is instantly to hand and safely stowed when not in use. if you have any questions, message us using the option on the bottom right of the page, never lose your phone again - keep it on your hip! Nutshell phone holsters; hand-crafted using premium leather. Warranted for 2 years of hard use. we recommend you always holster your phone with the screen facing your hip; that way the battery takes the knocks.