Decorate your party like a pro using our Balloonify Silver Mylar Letter N Balloon. This N-shaped balloon decoration can be paired with our other Balloonify letters and numbers. With a durable mylar construction, this birthday balloon is reusable. Plus, this letter balloon is moistureproof to withstand humid conditions. The self-sealing design lets this mylar balloon stay in the same shape and size throughout the event. Equipped with a hanging loop, this foil balloon lets you hang it to decorate the walls. With a shimmering silver finish, this helium balloon provides an ebullient vibe to your cocktail party. To accelerate the inflation process, use a manual or automatic pump to fill this custom balloon. Measuring 40 inches when inflated, this happy anniversary balloon is suitable for air or helium inflation. To reuse these balloons, gently deflate, properly store, and carefully reinflate without overfilling. Shipped deflated in a 1 count box. This party balloon can be easily inflated with the included straw, providing you with full control to help eliminate the risk of over-inflation. Electric air balloon pump (SKU: RWP1061) is available and sold separately.