This is a souvenir baseball cap by Hawaiian Headwear in a one size fits all.
It is white and it has a mesh back, soft front and bill, and blue embroidered leaves, and "Hawaii" on the front of the hat.
There is an adjustable snap size on the back and measures approximately 8" in diameter with the snap full extended. The brim measures about 3" from the end to seam, and 7.5" wide.
This hat comes in good pre-owned condition.