- Patented double vent system for easy drinking. Spill proof at any angle.
- Super elastic grip - stays on no matter what.
- Durable platinum silicone.
- Fits both single and double handled cups.
- Fits virtually any glass, mug, cup or can.
- Dishwasher, microwave and freezer safe.
- Two unique grips for ease of putting on and taking off.
- 100% BPA-free food grade silicone.
- Not suitable for 0-3 years old.