The Harmony Short Float Stern bag in vinyl is a single replacement bag for the stern of 8 ft -10 ft kayaks. These bags are designed to be used as a set to accommodate center walls and a second bag is required to achieve proper floatation. The listed dimensions for the Harmony Short Float Stern Bag are for when the bag is inflated.Inflatable Dimensions:Size: 37" x 12"Weight: 12 oz
|Length:||3 ft 1 in / 0.94 m|
|Width:||12 in / 30.48 cm|
|Weight:||12 oz / 340.19 g|
This appears to be a first class float bag and I understand it is the one Pokeboats ship with their kayaks. I really like the long air fill hose. It allows one to fill with air after placing the float bag where it will rest.