Hi there, thanks for taking the time to share your experience here.
It is our great pleasure to offer you our best products and services.
We also appreciate your feedback about the card sleeve. The card sleeve is made of one-piece molding technology with unnoticed stitching.
Your situation might be an individual case, and we will forward your feedback to the product team to consider possible optimization or to strengthen quality control. Thanks for your kind understanding and tolerance for us to make progress. We will spare no efforts to develop the best products for you.
Welcome to explore more of our products or discuss with us about innovative products here anytime.