The Timbuk2 cell phone carrier attaches to shoulder straps of the Timbuk2 bags or belts.  It features a plush lining to cushion your phone with a velcro closure to keep it secure.  Elastic side panels insure a good fit.

 

XS: 1.88" W x 3.5" H x 0.88" D (4.76 cm W x 8.89 cm H x 2.22 cm D)

Small: 2" W x 4.25" H x 1" D (5.08 cm W x 10.8 cm H x 2.54 cm D)

Medium: 2.25" W x 5" H x 1.25" D (5.72 cm W x 12.7 cm H x 3.17 cm D)

Large: 2.25" W x 5.5" H x 1.25" D (5.72 cm W x 13.97 cm H x 3.17 cm D)