美国采购需求：和纸胶带、计划贴纸、牛皮便签、日记卡、翻领别针、金属书签

I'm exploring the possibility of partnering with your factory for my custom designs, and I wanted to touch base regarding a sample kit. I'm really keen to see the quality of the prints before placing a larger order. If you do provide sample kits, I would appreciate details on what they include and how they represent the finished product. Additionally, I'd like to get a clearer picture of shipping costs to the US since that will help me plan accordingly. Understanding the total investment upfront is important for my decision-making process. Looking forward to your response!