Size: External dimensions: 7.09 x 6.69 x 0.79 inch (180 x 170 x 20mm); Internal dimensions: 6.69 x 6.30 x 0.59 (170 x 160 x 15mm).
External Material: Made of high quality waterproof Canvas fabric material. It can be safety if you accident happened to go in a rainy day with it. You are also allowed to put it just by your side when you drinking.
Internal material: Made of soft and anti-shock material. It will minimize the impact, so you don't worry about the damage of accidentally bumping.
Design Features: There is a front pocket to help you organize charger, cable, power bank, memory cards etc. It's easy to put in and out.
Durable&Lightweight Design: It's very convenient for you to slide into your other bag, and it doesn't take up a lot of space.