Happy Birthday Balloon Banner Set: You will get blue and yellow 16-inch "HAPPY BIRTHDAY" banner self-inflating letter balloons (13pcs), 1pcs straw, and 1pcs ribbon. Bright yellow and vibrant blue birthday foil balloons that add joy to your kids' or friends' birthday party. Perfect for a superhero or royal themed birthday party, or any event with a blue gold color scheme.

High Quality & Safe Material: These blue and yellow letter balloons are made of high-quality aluminum foil, reusable, safe, non-toxic, odorless, brightly colored, and can last a long time. When matched with the lights, it will instantly make your party gorgeous and keep people's memories fresh. Ideal for sports-themed parties, royalty celebrations, or any gold anniversary event.

Easy to Inflate & Deflate: Simply insert the straw or use the handheld pump into the plastic valve at the bottom of the letter and slowly blow to inflate. When the letter balloon is sufficiently inflated, pull out the straw and pinch tight the self-sealing valve. Only take a couple of minutes to complete. Perfect for beach party, golden jubilee party, or birthday events with a regal touch.

Wide Applications: Blue and yellow "HAPPY BIRTHDAY" foil letter balloon banner is perfect for kids boys birthday party, and can be hung in the kitchen, living room, or other outdoor places, as a backdrop or photo props. You can try combining it with other colorful balloon decorations to create different themed birthday party, such as sport celebrations, royal party, or a circus party.

Warm Tips: If you have any questions with balloons, you can contact us anytime. One thing to be aware of is that aluminum film balloons have no elasticity, and it is recommended to inflate 90% of the air. When filled with air, it stays full for up to 72 hours; when filled with helium, it lasts about 3-6 days. Perfect for adding a finishing touch to your royal blue and gold-themed celebration!