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Free UK delivery · Free 30-day returns · sportium.co.uk@gmail.com





Every order ships free with tracking. Timings are on our delivery page.
Email us with your order number within 30 days of delivery and we will send a prepaid returns label. Refunds go back to your original payment method.
Tell us the sport, your level and the measurements that matter at sportium.co.uk@gmail.com and we will help you choose.
The WATERFLY Fanny Pack Waist Bag is a water-resistant, convertible waist-to-sling bag with two secure water bottle holders and six organized pockets for hiking, running, and everyday use.
Compact yet roomy, this waist bag balances hands-free convenience with thoughtful organization. The front fabric resists light rain and sweat, reflective strips boost visibility after dark, and the breathable back mesh keeps you comfortable on longer outings. Multiple compartments mean you can carry essentials—from a phone and keys to a small tablet—without the bulk of a backpack.
Despite its compact silhouette, the bag is engineered to hold a surprising amount. It includes three zippered main compartments plus a smaller front zipper pocket that fits most phones under 6.5 inches, and the largest compartment fits tablets up to 7.9 inches (iPad mini size).
Yes — each bottle pocket has a fixed elastic rope at the opening to hold bottles with diameters up to 2.7 inches firmly in place. The holders also double as umbrella pockets, keeping vertical items stable during movement.
The WATERFLY bag converts quickly: tuck the adjustable waist belt into the back pad to reveal a sling-ready profile, or attach the included removable shoulder strap to wear crossbody. The waist strap fits sizes from 22" to 52", accommodating a wide range of users.
The outer panel is made from water-resistant nylon that repels light rain and sweat, protecting items from moisture. Reflective strips increase visibility in low light, while the ventilated back mesh reduces sweat buildup during active use.
Who is this for? The WATERFLY Fanny Pack Waist Bag is ideal for hikers, runners, commuters, and parents who want compact, organized storage without carrying a full-size pack. It suits anyone who needs quick access to a phone, keys, or a small tablet while keeping water bottles secure and hands free. Choose this bag if you want lightweight, weather-resistant functionality with convertible carrying options for everyday adventures.
Q: What bottle size fits the WATERFLY holders?
A: Each holder secures bottles up to 2.7 inches in diameter with an elastic rope for a snug fit.
Q: Can the waist strap be hidden to use as a sling?
A: Yes — the adjustable waist belt tucks into the back pad so you can attach the removable strap and wear it as a sling.
Delivery: free and tracked to addresses across the UK, with no minimum spend. We email your tracking link as soon as your order is dispatched; timings are on our delivery page.
Returns: 30 days from delivery to return an unused item in its original packaging free of charge, with a prepaid label. This is on top of your 14-day legal right to cancel, and your Consumer Rights Act protections for faulty goods.
Damaged or wrong item? Email us a photo at sportium.co.uk@gmail.com and we will replace or refund it.
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