There are certain items that are not allowed inside the Disneyland Park and these include:
Dangerous materials
Weapons of any kind
Cans or glass containers
Food, alcoholic beverages or any illegal substance
Bags, boxes or luggage larger than 56cm x 36cm x 23cm.
Large tripods, folding chairs and stools
Carts or other wheeled carriers (with the exception of manual wheelchairs)
Pets or other animals