A mix of navy and gold balloons, perfect for a formal or high-end event. They're also a great option if you're looking for neutral color balloons or for masculine party decorations. This bouquet of high quality helium balloons includes all balloons shown in the product photo. Balloons will ship deflated. Size: Latex Balloons - 11 inches Mylar Balloons - 17 inches * Balloons require helium to float, but can be filled with air if floating isn’t necessary. Our latex balloons are made of natural rubber latex, and are biodegradable. String sold separately.