Just like drinking from a rim of a glass without drips. The active cup has a thin nozzle on the edge designed for proper lip position and is bitten resistant. Ideal for drinking away from home and keeping the temperature of the liquid. Double wall helps maintain temperature for longer. The ergonomic shape of the vessel has a slit at the top of the nose, and also helps to stabilize the lower lip. With unique one-piece removable spill proof valve. Dishwasher and microwave safe.

Features:
0% BPA
Bite resistant hard-rim spout.
Thin rim-like spout helps baby transition to open cup drinking.
Ergonomic shape to stabilize the lower lip and dimple on top for the nose.
Removable Easy Sipping Valve: innovative patent pending solution that makes the cup 100% spill proof without compromising the babys ease of drinking both with and without valve.