Leakproof. Sweatproof. Drop-Proof. Adventure-Proof. The Rugged Construction And Vacuum Insulation On This Bottle Means That It Can Handle Anythingall While Keeping Your Hot Drinks Hot And Cold Drinks Cold For A Full Day. Slim Enough For A One-Handed Hold, It’s Even Got A Twist-And-Pour Stopper For Smoother Pouring. The Insulated Lid Also Doubles As A Cup For Drinking. * 1qt / 0.94l Recycled 18/8 Stainless Steel, Bpa-Free Double-Wall Vacuum Insulation Leakproof + Packable Insulated Lid Doubles As Cup