The Versa-Flex Rain Cover is perfect when you want add a little weather protection to your gear during location shoots. The rain cover comes with double zippers on both sides of the unit for easy access and two circle rings at the top which can easily hook into a harness. A set of velcro straps were added so you can roll up the pouch as well. The dimensions of this unit are 15″ x 18″. A sample case for sizing purposes would the Petrol 607 which is typically used for the Sound Devices 302 Mixer.