S1-S2 English ~ Grammer ~ Talking about size ~

A Complete with the correct adjectives.
Let me see... it's not very big. It's only 30 cm widea nd 40 cm long.
The description says that the soles are about 2 cm (1) ____________.
Chin stand suitable for anyone between 72 cm and 187 cm (2) ____________________.
Portable seat is only suitable for some people though because the seat is about 50 cm (3) ___________. It might be too (4) ______________ for every old people.