Here's what other sites are saying:
The all-purpose Standard Sea Kayak Flotation Set from Seattle Sports offers added buoyancy and water displacement to prevent swamping.
Set of two utility floats includes: one 43" x 15.5" bow bag and one 49" x 20" stern float. These all-purpose sea kayak utility floats offer added buoyancy and water displacement to prevent swamping. PVC coated polyester construction. Weight: 1 lb. 12 oz.
- Vargo Outdoors
Sea Kayak Float Bags - Float bags minimize the amount of water that can enter your boat during a capsize, making rescue and drainage much easier. These PVC-coated polyester float bags fit into the bow and stern of non-bulkhead touring boats. Grommeted ends allow the floats to be securely tied in place.