For UTStarcom G&#39;zOne Boulder / Casio Hitachi G&#39;zOne Rock / Verizon Casio Hitachi Ravine Heavy Duty Eva Pouch Case Holster Ideal for intense uses. We design this pouch to stand the toughest weather condition. Heavy Duty Metal Clip allow the pouch to sercure to your belt or travel bag. And you can put the pen in the sides of vertical case.