GRAV Sip Series Coffee Mug Bubbler 4"-7" with 14mm Bowl & Fixed Downstem Color:Cobalt sturdy walls and the MAV

sturdy walls and the MAV Color Top Beaker is all of the above

The first concept in the series

while the Dewar's joint provides extra stability and reinforcement

The ceramic also boasts longer heat retention

GRAV Sip Series Coffee Mug Bubbler 4"-7" with 14mm Bowl & Fixed Downstem Color:Cobalt sturdy walls and the MAVLooking for a new way to start your day? Try the GRAV Coffee Mug! This familiar design conceals a really effective bubbler. The perc and smoke pathway are built into the mug's handle, making the GRAV Coffee Mug one of the most pleasant smoking experiences in a long time. The part of the new GRAV sip series, the Coffee Mug stands 4" tall at the top of the mug, 7" tall at the top of the straw. It comes with a 14mm cup bowl. Features a fixed fission