4Monster Hiking Daypack,Water Resistant Lightweight Packable Backpack for Travel Camping Outdoor

Zipper closure
DURABLE MATERIAL – Made of high quality tear & water resistant polyester fabric, our daypack provides extra strength and long-lasting durability against daily activities.Duarable Abrasion Resistant waterproof strip to prevent rainwater flowing into the backpack. Can keep your items dry even in heavy rain.
ULTRA LIGHTWEIGHT – Super lightweight and easy to fold up into a small pocket (A true space saver) to fit anywhere. So you can easily fold the backpack into its own pocket for storage, and unfold it when you reach your destination. To avoid overweight charge, simply unfold from your checked bags and use it as a carry on for your excess baggage. A must have for every trip!

????Hip-belt adjustable length:76-145cm/29.9-57.1in. It’s not typically worn at the waist, but somewhat lower, on the hips. It’s often beneficial to comfort and balance to adjust belt position while hiking, so plan to occasionally use less than the full 57″ as you reposition.
????Hydration Compartment:Separate bladder sleeve in the main compartment.Big enough or a 3 liters hydration bladder.
????Top Lid:An extension collar with two drawstrings on the top allows you to expand the pack and increase the main compartment capacity by 5 liters.