Package Includes: You will receive a set of "HAPPY BIRTHDAY" letter balloon banners and 2 sets of A-Z letter balloons, totaling 65 pieces, as well as 2 rolls of 32ft ribbons and an 8cm/3.1 inch straw. Each letter measures 16 inches in size and is abundant in quantity, allowing you to freely match your name or phrase, providing an unforgettable birthday party atmosphere High Quality Material: These happy birthday balloons are made of high-quality aluminum foil material, which is sturdy, durable, safe and environmentally friendly, not easily damaged or leaked, easy to hang and carry, can last for a long time, and can also be reused Perfect Birthday Party Decoration: These letter foil balloons feature a self sealing design for easy inflation, making them the perfect decoration for birthday parties. The balloons are beautifully printed on the surface, and the shiny aluminum foil material makes them more eye-catching at the party, becoming the center of attention for everyone and leaving behind an exciting and cheerful party memory