The British brand Zone3 launches its accessories for swimmers where the watertight buoy is the star product.
This bright color buoy is ideal for storing food, wallet, keys, Smartphone, etc. While swimming or can be used as an inflatable buoy, to get more visibility in open water!
The Zone3 buoy of 28 Liters has a double zone of inflation separated from the storage area which provides more buoyancy than a normal waterproof bag.
The design of the adjustable double strap is held tightly around the swimmer's waist and is out of reach of the stroke while swimming.
Once the buoy is inflated, the measurements of the bag are 50cm x 35cm, leaving a lot of space for the mobile phone, keys, towel, flip flops, etc.
Further information: http://3koa.gestiontpv.com/productos/boya-zone3