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Blue 20L waterproof dry bag with roll-top closure and phone case

Lowepro Wynit FSB-20L-Blue 20L Waterproof Dry Bag

SKU CH-J0D7-JG6XT MPN FSB-20L-Blue

A 20-litre waterproof dry bag with roll-top closure and included phone case, made from PVC in a camouflage pattern

  • Length, width and height3.302 L x 15.7988 W x 37.7952 H centimeters
  • Pattern styleCamouflage
  • Compatible screen size15 in (38.1 cm)
  • Age groupAdult
  • Suitable forUnisex
  • Key featuresPolyvinyl Chloride (PVC)
  • 20L capacity keeps gear dry on every adventure
  • Roll-top closure seals out water during kayaking or rain
  • Included phone case protects devices up to 15 inches
  • Lightweight PVC construction carries easily on hikes
  • Camouflage pattern suits travel, beach and camping trips

Capacity & Purpose

The Lowepro Wynit FSB-20L-Blue is a 20L waterproof dry bag built for adults who need reliable dry storage during water-based activities. Its rolled closure and PVC construction keep gear protected while swimming, boating, kayaking, camping or spending time at the beach. The unisex design suits a wide range of users looking for straightforward waterproof luggage.

Included Phone Case

A dedicated phone case is bundled with the bag, allowing touchscreen devices up to 15 inches to stay accessible and dry without opening the main compartment. This accessory lets users check maps, take photos or answer calls while the handset remains sealed against splashes and brief immersion. It turns the dry bag into a more practical day-to-day companion on the water.

Build & Carry Implications

The bag uses Polyvinyl Chloride (PVC) material in a camouflage pattern, measuring 3.302 x 15.7988 x 37.7952 centimetres. The rolled top creates a watertight seal when secured, while the lightweight fabric keeps the load easy to carry on extended trips. Backpack-style straps allow hands-free transport between launch points, campsites or vehicle boots.

How it compares

Measured against everything we stock in Utility & Everyday Bags, at today’s prices. Recalculated every night.

Price $27.99
Pricier than about 58% of the 2,172 comparable items (median $23.99).

Specifications

Product
Brand nameLowepro - Wynit
Model nameFSB-20L-Blue
Pattern styleCamouflage
Size & build
Length, width and height3.302 L x 15.7988 W x 37.7952 H centimeters
Main materialPolyvinyl Chloride (PVC)
Compatibility
Compatible screen size15 in (38.1 cm)
More details
Age groupAdult
Suitable forUnisex

Questions about this item

Will the PVC material need any treatment to stay waterproof over time?

The bag is made from polyvinyl chloride which does not require re-proofing; rinse with fresh water after salt exposure and store dry to prevent mould.

How long can the roll-top seal keep water out during continuous immersion?

The roll-top closure is rated for splash and brief submersion protection; it is not certified for prolonged underwater use.

Does the PVC become stiff or hot when left in direct sun all day?

PVC softens in heat but remains functional; the bag has no insulation so contents will warm with ambient temperature.

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