B.Box Looney Tunes Weighted Straw Sippy Cup 240mlThe b. box Looney Tunes Weighted Straw Sippy Cup 240ml is an award winning toddler cup designed with an innovative weighted straw that moves freely with the liquid, allowing little ones to drink from any angle without spills. Featuring a redesigned two way valve straw that ensures easy, effortless sipping with zero leaks even when used with warm water, this cup lets tots drink to the very last drop and even lying down, making it the perfect transition