Dimensions: 42.13x23.62x23.62 For indoor or outdoor use Self-inflates in seconds for easy setup Includes stakes and tethers for outdoor setup Lights up with bright, energy-efficient LED lights Celebrate in style with an Airblown Inflatable birthday cake! Topped with a candle, our colorful two-layer cake features a "Happy Birthday" sentiment. Add this eye-catching inflatable to any birthday celebration for an over-the-top statement. Setup is super simple. Just plug it in, stake it down and watch the magic unfold. Includes everything needed for easy setup.