Quick Summary
The Waterfly 20L Foldable Backpack Daypack is a packable travel backpack with a stated 20 litre capacity. It folds down for easier storage, which makes it a practical choice when you want an extra bag that can be packed away when not needed.
The bag is described as having multiple compartments, front quick-access pockets and two side elastic mesh pockets. It is also described as using breathable mesh padding on the back panel and adjustable, widened shoulder straps.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Waterfly. |
| Product type | Foldable backpack daypack. |
| Capacity | 20 L capacity, which helps buyers judge how much they need to carry. |
| Expanded size | 16.5 x 11.4 x 6.1 inches when expanded. |
| Folded size | 8.66 x 1.97 x 6.7 inches when folded down. |
| Weight | 0.81 lbs. |
| Storage layout | Up to three independent interior compartments, plus front quick-access pockets and two side elastic mesh pockets. |
| Back panel | Breathable mesh padding. |
| Shoulder straps | Adjustable, widened shoulder straps. |
| Main material | High-density tear-resistant polyester fabric. |
| Zips | Two-way SBS zipper. |
What to Compare Before Buying
- Capacity: The stated 20 L size is the main figure to compare against what you plan to carry.
- Packed size: The folded dimensions matter if you want the bag to fit inside a suitcase, larger handbag or travel kit.
- Organisation: Check whether the compartment layout, front pockets and side mesh pockets match the items you want to separate.
- Carry comfort: The mesh back panel and widened straps are the main comfort-related features to assess alongside the bag’s size and load.
- Construction: If zip and fabric details matter to you, compare the polyester fabric and two-way SBS zipper against your expected use.
Before You Decide
Check the folded size, the 20 L capacity and the pocket layout before choosing an offer. If you need a larger daypack or a different internal organisation, compare another size or style before you buy.






