Freezing cold or boiling hot, the CORKCICLE 16oz CLASSIC CANTEEN will make sure that your drinks can be enjoyed at the temperature they were intended. The stainless steel body protects against fall damage. Triple insulated to keep drinks cool for 25 hours, or hot for 12 hours. The opening is large enough to stick some ice cubes in for added cold. The slip-proof silicone base helps avoid the mess before it happens. The screw on cap retains the temperature and keeps drinks from spilling out.