1. Material: Silicone 2. Suitable age: 6 months and above 3. Safe material, no odor more peace of mind 4. Breastmilk-like round heads design, delicate and flexible 5. Bilateral small ear ventilation holes, breathing comfort and breathability, long time use not stuffy 6. One-piece molding design, clean without dead ends, support high temperature sterilization 7. Retractable design, reducing direct contact with airborne bacteria 8. Size: 57 x 52mm 9. Weight: 20g
