美国采购需求：环保材料，防漏硅胶密封圈，PE塑料容器，陶瓷内胆，双层隔热，无毒涂层

I recently received a product as a gift, but I'm honestly a bit puzzled about what it is and how to use it. The item came without any instructions or labels, so I'm left guessing its purpose. I'd love to get some clarification on the product. Could you provide any details regarding its function and the best way to utilize it? Additionally, if there are any specific features or tips that would help me get the most out of this item, that info would be super helpful. I want to make sure I'm using it correctly and enjoying its benefits. Looking forward to your insights!