3" Engineered Plastic - No Corrosion or Rust - Vessel Sink Mounting Ring. 3" O.D. x 1 3/4" ID, x 1/2" thick.  No gasket, sink rests on ring.  Available in three colors: White, Grey, Black.  Condition is "New". Shipped with USPS First Class (3 to 5 business days).

Similar item: https://www.ebay.com/itm/265078018548

NOW ON SALE!  REDUCED PRICE!