Do NOT use Push Pop-Up / Click-Clack / Compression type drains.
Use silicone adhesive for both Drop-In and Undermount installation.
Clips should not be used for undermount installation.
Each sink is hand-crafted; no two sinks will be the same. All glass sinks are expected to have inherent and unique markings in the glass, which are natural characteristics of the handmade process. Dimensions are approximate.