Hi Marie, welcome to planDisney!
First off, I want to say you are a champ for planning a visit to the
Disneyland Resort with five-month-old twins! Luckily, the Disneyland Resort has amazing
Baby Care Centers at the parks! The Baby Care Centers should have almost everything you need. They offer a clean and comfortable facility with changing rooms, nursing rooms, a feeding area with high chairs, and more! They even have a vending machine with supplies, such as formula, baby food, juice, diapers, and more available for purchase. Super helpful!
At Disneyland Park, the baby care center is located at the end of
Main Street, U.S.A., next to
First Aid. At Disney California Adventure Park, it's located next to
Ghirardelli Soda Fountain and Chocolate Shop, across from
The Bakery Tour in Pacific Wharf.
But back to your main question, per the
Stroller Guidelines, strollers larger than 31" x 52" (and wagons) are not permitted. So just double-check your stroller size and ensure it meets those measurements. Another option is to
rent strollers at the Disneyland Resort! They offer double strollers for $36 (prices are subject to change), and quantity is limited, so if you are interested in renting, I recommend getting there early to secure one!
If you have any more questions, give us a holler!
See ya real soon!
Jin