From the Disney website. Portable chairs not allowed
A.
You may not bring the following types of items into the theme parks:
Wagons
Skateboards
Scooters
Drones
Remote control toys
Inline skates
Shoes with built-in wheels
Strollers larger than 36" x 52" (92 x 132 cm)
Suitcases, coolers or backpacks with or without wheels larger than 24" (61 cm) long x 15" (38 cm) wide x 18" (46 cm) high. Coolers required for medication may be stored in a locker or at Guest Relations.
Any trailer-like object that is pushed or towed by an ECV, wheelchair or stroller
Wheeled mobility devices with less than 3 wheels and devices that cannot maintain stability and balance when stopped, unpowered or unoccupied. Training wheels or similar modifications are not permitted.
Alcoholic beverages
Weapons of any kind or object that appear to be weapons (toy guns, toy blasters, squirt guns, etc.)
Folding chairs
Glass containers (excluding baby food jars and perfume bottles)
Pets (unless they are service animals, defined as any dog or miniature horse trained to do work or perform tasks for the benefit of an individual with a disability)
Balloons and straws are not permitted in Disney’s Animal Kingdom Park for the safety of our animals
Tripod stands or monopod stands that cannot fit inside a standard backpack
Wrapped gifts (all gifts must be able to be unwrapped for inspection)
Selfie sticks (hand-held extension poles for cameras and mobile devices)
Additional items may also not be permitted inside the theme parks. Please use your best judgment and do not bring anything that may be potentially harmful or disruptive.