Aircanada has the rule for stroller . W& c: `1 U$ S! T 7 x( U, b0 D/ y$ \! \Items which fall within the carry-on allowance include: 5 Z# f9 J s! n4 p* L! O9 n r& C9 N2 [3 N" w" ~9 s% B! h7 z Strollers (collapsed diameter not to exceed 30.5 cm (10 in) and length not to exceed 92 cm (36 in).