The NRS Split Kayak Flotation Bow fits in the back or front of your kayak to stop it from filling with water in the event of a swim. The less water in your boat the easier it will be to get to shore. These bags come with a lifetime warranty!!! The Bow Bag size fits in the stern most freestyle boats and in the bow of larger kayaks. NRS Split Kayak Flotation Features: The Infinity series bags are now using a 10 gauge Urethane fabric that won't leak or delaminate! Bow Dimensions inflated: 23in L x 10in W at top, 3in W at bottom. Lifetime warranty. Price includes one float bag To determine the correct size of float bag for your boat, measure the inside compartment and order a bag that is slightly larger in dimensions to fill the space in your boat completely.