We sincerely apologize for any inconvenience you may have encountered due to the unexpected detachment of the basin from the countertop. Typically, our basins are secured using a high-strength silicone adhesive, and we also provide additional clips to enhance their stability, especially during transit. To effectively address this issue, we encourage you to contact our dedicated customer service team as soon as possible. You can reach us by calling our customer service hotline at 1.866.839.2888. Our skilled team is prepared to work closely with you, not only to determine the underlying cause of this incident but also to help find a viable solution. We want to express our heartfelt appreciation for bringing this matter to our attention. Your continued loyalty is greatly valued, and we remain committed to ensuring your complete satisfaction in all your interactions with our products and services.