Trap door, for extra storage under the deck for cushions or build in a cooler.
Wouldn't mind having this in my back yard!
If your deck is smaller in size, save space with built-in seating but go ahead and jazz it up with colorful cushions, string lights or candles.
You will always have power for your stereo or electronics #outdoors with this raised #deck grommet. It folds into your deck when not in use, and protects extension cords from impact and weather damage.
Nice treatment for concrete. I will have to remember this