Silikids Siliskin Sippy Cup - 8oz
The Siliskin Sippy is an 8oz glass sippy cup encased in a heavy-duty shock absorbing silicone sleeve (a Siliskin). The glass is completely encased and protected. The silicone top stretches over and grips the top of the glass while air suction keeps the top in place for no spills or leaks.

Dishwasher Safe
Can be boiled to sterilize
Easy to hold and grip
No spill or leak
Suction keeps top on tight