1. Select the LARGE Modular Bounce house or 4 - 1 Modular Combo or 5 - 1 Modular Combo. Add to Cart. 2. Select your Banner theme and then add to the cart. We will then customize your inflatable by attaching banner theme to the inflatable that you selected. Inflatables will arrive without a banner theme if banner is not added to cart. Please note that banner theme may vary slightly than what is displayed on website.