Material: The balloons are made of pvc material, which is durable, tear resistant and weather resistant Size: the balloons measure 60 cm in diameter before inflation and 40 cm after inflation Application: These balloons can be hung on porches, pergolas, carports, boat docks, garden, orchard for deterring birds from nesting, landing or causing damage Design: the bird deterrent balloons imitate the appearance of predator eyes to effectively scare birds away Package: comes with 3 pcs balloons in 3 color, yellow, white and black Sowaka balloon Bird Repellent imitates the glaring eyes of predators which most pest birds are afraid of. Specification: Material: plastic Size: 40 cm (after inflation) Color: yellow, black and white Quantity: 3 pcs