The lower part of the straw has been bent to a certain degree to make it easy to drink till the last sip without tilting the bottle ; The straw has a spill valve to counteract spills. The flip top protects the straw and averts spillage in a hurry ; Washing the cup is easy as 1,2,3. Just dismember the items and put them in dishwasher and the work is done ; This Philips Avent cup for babies is produced using BPA free material ; Blend and match with other Philips Avent items to make the ideal container, suiting your little child's individual improvement needs.