Costco Sale: Thomasville Rialto Shag Rug 7’10” x 10′ $179.99 by Rhonda July 16, 2020 7/13/18. Ultra soft and luxurious underfoot. Select Costco locations have the Thomasville Rialto Shag Rug 7’10” x 10′ on sale for $179.99 (after instant savings), now through July 23, 2018. That is … 0 FacebookTwitterPinterestEmail