Never used fanny pack. Perfect for storing your camera and electronics while on adventures and traveling! It ended up being slightly smaller than what I needed but it's such a high quality bag! It’s comfortable, adjustable, and fits your daily carry from wallets to keys to phones, and even a 35mm camera. Weatherproof recycled Kodra with a double layer waterproof coating. 10.25” W x 5.25” H x 1.6” D (26 x 13.3 x 4cm) Strap Length: Max 52"- Min 20" (1320.8mm to 508mm)