Happy Birthday Balloon Banner  - You will get 13pcs 16 inch "HAPPY BIRTHDAY" black letters foil balloons(uninflated), 1pc ribbon and 1pc straw to help you set and hang the Happy Birthday balloon bunting up.Premium Material  - This shiny happy birthday letter balloons banner set are made of high quality aluminum mylar foil, all the balloons are safe to children, durable, non-toxic, strong can be reused. Just fill 90% of the balloon that could allow the balloon to expand completely.Easy To Assemble  - The black happy birthday bunting foil balloons have self-sealing valve does not need to be knotted. No helium needed, simply inflate each letter using the straw provided and hang the balloon banner with ribbon.Only take a couple of minutes to complete.Repeated Use  - The black happy birthday balloon banner kit contains a straw that can also be used to deflate each letter foil balloon, simply insert the straw into the valve and press gently until the gas is completely expelled. After use, it can be folded and stored for reuse.Perfect Birthday Party Decorations  - The black 'HAPPY BIRTHDAY' foil letter balloon banner is ideal for girls women birthday party, as a backdrop or photo props. You can hang the lovely birthday balloon bunting banner in the kitchen, living room, or party room to surprise your family or friends and show them how much you care about the birthday!