Thank you for viewing. This is a set of two waterproof bags from DUEL. (Not completely waterproof, so not suitable for underwater use.) - Brand: DUEL - Waterproof bag - Color: Black - Size: : Total length: Approximately 27cm (including the roll-top part) : Width: Approximately 18cm : Depth: Approximately 10cm Please take a close look at the explanation in image 7.