Designed as a multi-purpose bag that can be used as a lift bag, an upline float, drybag, or an inflatable dive flag/float.

SUBSALVE USA Quad Bags are manufactured of high-strength, lightweight, vinyl-coated nylon fabric and roll up small enough to carry on every dive. They are screened on both sides with a bright red “divers down” flag for high visibility, and are equipped with an oral inflator and an optional lanyard-operated dump valve.

A must for tech divers, wreck divers, beach and boat divers.

Tech divers, wreck divers and public safety divers use this multi-purpose bag as:

  • A lift bag to recover objects.
  • An up-line float.
  • A decompression-line float.
  • A dry bag.
  • An inflatable dive flag/float to warn off boaters.


Quad bags are ready to go:

  • Manufactured of high-strength, lightweight, vinyl coated nylon fabric.
  • Can be rolled up small enough to carry on every dive.
  • Screened on both sides with a bright red “divers down” flag for high visibility
  • Equipped with an oral inflation and an optional lanyard operated dump valve.


Equipped with:

  •  Velcro tie strap
  • Bottom waterproof closure
  • Stainless steel snap
  • Oral inflation
  • Equipped with all necessary hardware ready for immediate use.
  • U.S. Patent No. D-362,817


Model Lift Capacity Width Height Pack. Cubic Dim. Weight
  (lb) (in) (in) (in x in x in) (lb)
  (kg) (m) (m) (m x m x m) (kg)
QB-50V 55 14 30 15 x 10 x 2 1
25 .36 .77 .38 x .26 x .05 .45
QB-100V 105 28 30 15 x 10 x 2 1.5
47 .72 .77 .38 x .26 x .05 .68
QB-200V 205 40 36 15 x 10 x 3 2.5
93 1.02 .92 .38 x .26 x .08 1.13

Accessories (ordered separately)

Strobe Light – Makes a Quad Bag a great night diving or drift diving float. Comes with a detachable velcro strap.

CO2 Inflator – Makes a Quad Bag a rapid deployment marker. Comes with a 38-gram CO2 cartridge.


Each SUBSALVE USA lift bag is tested prior to shipping. Custom sizes are available. All Subsalve USA products are compliant with IMCA D-016-AIRBAGS, ABS, U.S. Department of Defense Standards.

Weight 5 lbs
Dimensions 8 × 8 × 8 in
Lift Capacity

55 LBS, 105 LBS, 205 LBS

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