The Fjallraven hip pack is incredibly versatile for short trips. It's small enough to fit under an airplane seat, while still being large enough to fit essential items. It features two flat pockets on either side and a zippered pocket in front. Both of these pockets are large enough for cell phones and wallets.
The Ulvo hip pack is made from recyclable 400D Bergshell nylon. It's a water-resistant material, and is also resistant to abrasion. Its durable vinylon fabric is made from a PFC-free material that expands when wet. As a result, water cannot pass through the material, so it is perfect for travel bags.