Features: Quality silicone, the pacifier is soft and elastic, fitting snugly to the baby's mouth and reducing discomfort. 55mm wide mouth detail simulates breast milk flowing control, helping babies easily suck and avoid choking problems. Silicone has excellent wear resistance and tear resistance, ensuring long-term use without deformation. General interfaces, compatibILITY with multiple brands of baby bottles, without the need for additional converters. Smooth design, easy to clean, and less likely to leave milk stain. Specifications: Component: Silicone Size: approx. 5.5cm/2.16inch Type：refer pictures to selection please A: Duck billed head (6M+) B: Cruciate hole (9M+) C: Round hole (over 1 year) D: Double hole (9M+) Practicality: Designed for babies to suck and drink water Package Includes: 1Pc Baby Pacifier note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.