1. Material: silicone 2. Drip process, rounded particles, smooth and delicate 3. One-piece molding design, smooth edges do not cut hands 4. Silicone material is flexible and wear-resistant, feel delicate and comfortable 5. Simulation of buttons, to assist the baby cognitive 6. Support high-temperature sterilization, reusable 7. Size: 160 x 65 x 10mm 8. Weight: 45g