The Hydro Flask Wine Tumbler is insulated and designed with an enhanced lip, to keep your favorite wine cold and easy to sip. It features BPA-free construction to eliminate harmful chemicals and keep the wine's delicious flavor. Made of pro-grade 18/8 stainless steel. Insulated press in lid keeps bugs out. Enhanced lip for easy sipping. Designed to reduce spills?. TempShield double-wall vacuum insulated technology keeps your beverage cold for longer and retains freshness. Refined shape for a comfort-hold. BPA and phthalate free. Holds up to 10 oz. (up to two standard pours of your favorite wine). Mouth Diameter: 2.7 in.. Diameter: 3.1 in.. Height: 4.1 in.. Weight: 6.2 oz.. Hand wash. Imported.