$16.99 (was $21.99) NFL Stainless Steel Tumbler This post contains affiliate links. Please read our disclosure policy for more information. Prices are subject to change. Please verify price prior to ordering. December 17, 2017 by Holiday Helper Shopping for a NFL fan? Groupon is offering these NFL Stainless Steel Tumbler for $16.99 (was $21.99). CLICK HERE TO GET THIS DEAL!