Features: The bottle wear on the automatic straw, breaking the traditional way of raising milk. Any posture can ly. Reduce your baby& 39;s induction air,spit up milk,choking phenomenon, and can save the mother feeding time. Only for wide neck glass or plastic big bottles produced by our company (capacity 200ml and above). Made of food grade material,you can safe to use for your baby. Specifications: Material:PP&silicone&Stainless steel 304 (C0Cr18Ni9) food grade Color:clear Product size:50*180mm Brand name:IVORY Model:L-F89 Package included: 1 x baby wide neck auto feeding straw 1 x pipe Notes 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Due to personal measurement technique is different, there may be 1-3 mm error of the physical.Thank you