Size: The "50 inches" indicates the diameter or size of the Orbz balloon when fully inflated. It's about 4 feet in diameter.4D Design: "4D" refers to the visual effect the balloon creates, often meaning it has a 3-dimensional look or gives an illusion of depth and dimension. These balloons are typically spherical and might have an interesting 3D effect or a unique shape.Silver Color: The balloon or orb is silver, which is a popular metallic color for celebrations, providing a shiny and elegant appearance.Orb Shape: Orbz balloons are known for their round, almost orb-like shape. Unlike traditional flat balloons, they hold a spherical or balloon-like appearance from all angles.