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Product guide

WATERFLY Crossbody Sling Backpack, 6 L

The WATERFLY Crossbody Sling Backpack is a compact 6-liter daypack for carrying small essentials on walks, hikes, and outings. Its listing describes multiple pockets, a reversible adjustable shoulder strap, and a side mesh bottle pocket, but the compact capacity may not suit buyers needing room for larger loads.

At a glance

The listing specifies 6 liters of storage with five pockets and four compartments for separating smaller items.
An adjustable strap connects to either of two lower D-rings, allowing left- or right-shoulder carry.
A side mesh pocket is described as suitable for a bottle up to 2.4 inches in diameter.
The front strap pouch is listed for phones with screens under 7 inches, while the product details separately state an 8-inch maximum compatible device size.

Price

$27.99Save 15%

Reference price: ~~$32.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Several pockets and compartments provide distinct places for small essentials.
Reversible strap attachment accommodates carrying on either shoulder.
The listing describes a front strap phone pouch and side mesh bottle pocket.

Cons

The 6-liter capacity is suited to compact essentials rather than larger daypack loads.
The bag is hand-wash only according to the care listing.

Technical specifications

17 specifications

Identity and capacity
Brand	WATERFLY
Style number	XB-C01A
Capacity	6 liters
Size	Small
Pockets	5
Compartments	4

Dimensions and carrying
Dimensions (D × W × H)	3.5"D x 15"W x 7"H
Weight listed	0.28 kg
Strap type	Cross-Body
Strap adjustment range	31 ” to 39.5 ”
Maximum compatible device size	8 inches

Materials and protection
Material listed	100 % polyester
Outer material	Polyester
Shell	Soft Shell
Water resistance listed	Water Resistant

Care and warranty
Care instructions	Hand Wash Only
Warranty description	3 Year

What to know before buying

Listing details to confirm

The device-fit details are inconsistent: the specifications state an 8-inch maximum, the strap pouch is described for phones under 7 inches, and feature copy mentions an iPad mini while another panel says it fits a 7.9-inch iPad mini and a 9.7-inch iPad Air. Confirm the fit of the specific device and compartment before buying. The source also gives two equivalent-looking dimension formats, 3.5"D x 15"W x 7"H and 7 x 3.5 x 15 inches, in different orders, so verify orientation if exact dimensions matter.

Who is it for?

A good fit for

People who want a small crossbody bag for everyday essentials, walks, or light hiking.
Buyers who value separate pockets and a strap that can be set for either shoulder.
Travelers carrying a phone and small items who do not need a large-capacity pack.

Less suited to

Anyone needing a larger pack for bulky gear or substantial day-trip supplies.
Buyers who need confirmed compatibility with a particular tablet or phone before purchase.

WATERFLY Crossbody Sling Backpack, 6 L · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 48,417 ratings

5 stars73%73%
4 stars16%16%
3 stars7%7%
2 stars2%2%
1 star2%2%

Customer feedback reports favorable impressions of pocket organization, comfort, carrying capacity for essentials, and usefulness for travel or hiking. Experiences with fit and space are mixed, which matters for a bag listed at 6 liters: it may work well for compact daily items but feel too small for buyers carrying more. The aggregate ratings are broadly positive, but they do not establish how it will fit a particular person or load.

Positive themes

Customers praise the pocket layout and front phone pocket.
Feedback describes comfortable carry and usefulness for travel and hiking.

Mixed feedback

Some customers find the space adequate, while others say the bag is not spacious enough.

Frequently asked questions

How much can this sling bag hold?

The listed storage volume is 6 liters. It is intended for compact essentials rather than a large load.

Can it be worn on either shoulder?

The listing says the adjustable strap can connect to either of two lower D-rings for left- or right-shoulder wear.

Will an 8-inch device fit?

The details list an 8-inch maximum, but other listing text gives different device-fit descriptions, including a strap pouch for phones under 7 inches. Check the dimensions of the intended device and compartment before ordering.

Is the bag waterproof?

The product details describe it as water resistant, not waterproof.