A comfortable seat cushion with a detachable bag under the seat. Don’t let your belongings slide around all over your boat. Store them safe and securely under the seat in your seat bag. Need to take your stuff with you? Unzip the bag and take the whole bag with you. Comes with one large storage area and 3 exterior pockets. Seat cushion straps onto aluminum seat and can stay in place when hanging bag is unzipped and removed.