Swim Buoy is NOT designed to perform as a Personal Flotation Device (PFD).On long distance swims, swimmers can bring nutrition, cell phone & valuables in the dry-bag portion of the buoy. If you are an avid ocean, sea, lake or river swimmer, we strongly encourage you to check out this safety device – Qifuli Swim Buoy - as you never know what currents, cramps or other irregularities could occur during your open water swim. Instead of your child using the arm floaties or a kick-board where they will have a horrible positioning of their body for swimming, they could use the Qifuli Swim Buoy and thus have a backup solution if they need to take a rest. Just strap this swim safety product around your waist and get yourself lost in the wonders of the underwater world. Swim trekking, island hopping, open-water orienteering- even if you are an advanced swimmer who is pushing the possibilities of the sport of swimming, taking with you the Qifuli Swim Buoy is always a good idea. …More» Swim Buoy - Swim Safety Float and Drybag for Open Water Swimmers Open Water Swim Buoy Float for Safer Swim Training Swim buoy / open water swim buoy / water swimmers click» https://www.qifuli.com/ click» http://www.b2bde.com/news/