Lasts 3 to 5 days. See Longevity Notes. Inflated with air - this item will not float. This item is Ready-To-Party™. Handcrafted piece. May vary from picture. Features It's all in the details. Add these fun tabletop balloons to your table. Add a floral arrangement for a fuller look.This product is Ready-To-Party™. Comes inflated and assembled. Simply unbag and enjoy! Details Color Palette:Balloon - black, goldFoil - goldFinishing: tied to ribbon and weightDimensions:H - approx. 18inW - approx. 2f