Enhance your loved one's 21st birthday celebration with our Happy 21st Balloon from Flowers Across Melbourne. This 45cm inflated helium balloon features a stunning pink holographic design, perfectly complementing any flower bouquet or boxed flower arrangement. With same-day delivery available for orders placed by 2 pm, you can surprise them with this delightful add-on to make their special day even more memorable. Attached with a curling ribbon, this Happy 21st Birthday balloon is the perfect way to send your warm wishes and brighten their celebrations.