Friday Nights Celebration with the boys? Get your party startin' with a wine poured in this FDA Approved and BPA-Free. 12 Oz. Custom Napa Wine Glass. Its design details include a stemless glass with a stainless steel outer and plastic inner walls. It features a snap-on sip through lid. It will stay steady when you are on-the-go because of its non-slip bottom. Only Hand-washing is recommended for this item. Make it yours now by customizing it with an imprint of your company name and logo!