美国采购需求：游乐园恐龙服装、电动恐龙服装、逼真恐龙服装、恐龙展览表演、恐龙制作、真恐龙服装

I'm looking to purchase a dinosaur costume that features a design where the legs are concealed for a more immersive look. It's important that the costume is comfortable to wear and allows for easy movement, as I want to ensure that the person wearing it can navigate through various settings without difficulty. Additionally, I'm interested in incorporating sound elements into the costume. A built-in sound system that can produce roars or other dinosaur-related noises would be fantastic to enhance the overall experience. Please provide details on the available options, pricing, and lead time for manufacturing. Looking forward to your response!