Features: Made from clear food grade soft silicone material, which is safe and non-toxic, do harmless to humans. Humanize convex point creativity make the convex point scattered around the breast, seem as mother's mammary areola. Petal style makes it lighter and easier for mum to hold in place, also maximizes mother-baby skin contact. Super soft, lightweight and full of toughness. Cross-milk hole, variable flow nipple, suitable for all age babies. Spiral mechanics design pacifier makes the pacifier is not easy to be sunken while baby is feeding. Space between and nipple Cover for head mum's nipple prevents baby from biting nipple. Specifications: Specification: Color: Transparent, for Nano Yellow Material: Silicone Size: app. 5x6cm(1.97x2.36in) Quantity: 1 Set Package Includes: 1 x Nipple Protector 1 x Anti-dust Storage Box note: Note: Transition: 1cm=10mm=0.39inch Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!