50 caliber silicone pacifier is a natural pacifier. It adopts super imitation breast milk. The softness and elasticity of silicone ensure the softness and elasticity of the pacifier. Food grade silica gel material has no smell. The nipple shape is close to breast milk. The shape design is suitable for the baby's tongue and close to the texture of breast milk. It can help the baby gradually reduce breast milk at night. More often, it is a kind of comfort. It is used to sucking, making the baby feel comfortable and comfortable.