Unfortunately, the Stanley Quencher H2.0 Flowstate Tumble isn't entirely leakproof, so it needs to be upright at all times.

Available in smooth or textured finishes with customization options, the Reserve Wine Tumbler keeps beverages cold for hours ...

The viral quencher H2.0 flowstate cup boasts a 1.2l capacity and can keep your liquid cold for up to 11 hours, or two full ...