Description: This silicone mold is for casting ribbed round concrete vessel sinks. Compatible with concrete, cement and gypsum mixes. Flexible silicone material allows easy release after curing, forming neat ribbed texture on the sink side. Built-in drain core reserves drain opening for installation. Great for bathroom vanity, boutique wash space and DIY renovation projects. We are direct manufacturer. Custom sizes and patterns are acceptable. Every mold will be checked before packing.
