Samsung SPH-M300 Swivel Holster - Can't seem to find your cell phone holster or simply need a replacement? DON'T PAY RETAIL PRICES! This durable plastic holster protects your Samsung SPH-M300 cell phone while making mobile communication less stressful. It's an easy way to carry your cell phone - just clip it to your belt, pocket or purse. Also makes for a great phone holder in your vehicle. Just clip it to the sunvisor and you're ready to go!