A stadium seat attachment and a freestanding drink base are different choices. Start with the seat and the venue’s rules.
Use only a broad fixed surface with room for the entire base. Remove the drink before standing, folding or moving seating.
Use the guides below to compare the resting surface, the fit of your exact drink, and the type of holder that matches the problem.
The interruption you know too well.
Reaching down for bag tips drink on seat beside them; liquid wets stadium cushion and program.
Trace the movement before choosing the holder
One scenario to check: Reaching down for bag tips drink on seat beside them; liquid wets stadium cushion and program. Notice what your hand was reaching for and what was beneath the container. A drink can be within reach yet still sit directly in the path of that repeated movement.
Check that the bench section is wide and level enough for the whole base. Keep the drink clear of coats and passing spectators, and move it before standing. Test the setup with an empty container first. The entire base needs level support.
A sealed container addresses liquid escaping when tipped. A stable surface addresses support. Steadi widens the resting base of compatible drinkware; it does not replace either of those decisions. Check your exact drink fit, then use the guides below for the setup you have.