Comotomo Natural Feel Anti-Bacterial Heat Resistance Silicon Baby Bottle 150ml (Green)About the product Comotomo baby bottles are designed to most closely mimic breastfeeding to reduce bottle rejection. Ultra wide neck design allows easy cleaning by hand without a brush. Safe in microwave, boiling water, dishwashers and steam sterilizers. ***Silicone body is not recommend to use with UV Sterilizer (As the epoxy between the silicon and PPSU rim will be separated and cause leaking gradually). Nipple and body is made of 100 percent safe