Case in point: This one from Bottle Bottle has a twist-off hidden pill compartment, which is also great for holding vitamins, small candies ... a modern water bottle: double-insulated walls ...

Of course, that compartment is also great for holding vitamins, small candies ... usual makings you’d expect from a modern water bottle: double-insulated walls to keep liquids icy for up ...

The DYSANKY Insulated Water Bottle can hold a whopping 64 ounces of water and its multi-layer insulation will keep cold drinks cold for up to 48 hours. The bottle comes with a spout lid ...