Costco Sale – Corningware 4-Pc Pop-In Mugs with Lids $12.99 by Rhonda July 21, 2020 *UPDATE* 12/16/16. The non-porous stoneware will not absorb food odors, flavors or stains. Costco has the Corningware 4-Piece Pop-In Mugs with Lids on sale for $12.99 (after manufacturer’s instant rebate), now… 0 FacebookTwitterPinterestEmail
