·› Double Wall Stainless Steel, Vacuum Sealed ·› Powder Coated ·› Twist Off Top - Tight Fit, Spill-Proof Open/Close Lid ·› Insulated Spout Lid ·› Wide Mouth Top - Easy for adding Ice and for cleaning ·› Leak Proof ·› Wide Loop Handle for easy carrying ·› Hinge-Lock Cap - Locks cap out of the way while drinking ·› BPA Free