This combined with B-grips hand strap are a must have! You could get by with no straps at all, but the hand strap is so comfortable and adds some (sense of) security with its use. But if you were to get only the belt holster, you'll still be happy. If you need to be, or prefer to be, hands free during an activity that you want your camera for, this does that without tiring your neck or flopping against your chest. I go hiking with mine and it's great having both hands free if I need to scramble or balance through a section of trail, but also have the camera secure alongside my hip.
The belt this comes with is like a basic rip-stop strap but thicker and more rigid. The buckle is like your basic "alligator clasp" on a webbed belt; the strap hasn't ever slipped (loosened on the hips) nor has the clasp ever opened while wearing. The belt itself is not pretty but it won't come undone, slip, or tear. B-grips says you can put the holster on a regular, sturdy belt but I haven't ever tried. The belt is reliable so why mess with it?
The holster is very strong and there's a lock-switch to the release tab so if you were in a crowded area, someone couldn't just slip your camera off the holster. Getting the camera in/out of the holster is fairly easy, though you'll want to make sure you locked it in because if you don't, 3ft is a long fall for a nice DSLR camera.