Dakine Body Board Travel Bag Backpack  Kite Boogie Surf

Not 100% sure but believe this is for a body /boogie board,  but may be used for other types of boards as well.

Has backpack straps,   so can be worn/carried on one's back if desired. 

Has a main compartment and an outside pocket.  Both have zippered enclosures.

Dimensions: 24.5" wide x 44.5" long