This is a new, unopened item, purchased for a newborn but never used. It's a 150ml glass baby bottle with a silicone coating, heat resistant up to 170°C, and dishwasher safe. - Brand: MOYUUM - Model Name: Silicone Coating Glass Bottle - Capacity: 150ml / 5oz - Material: Glass, Silicone Coating - Heat Resistance: 170°C - Cold Resistance: -20°C - Target Age: From 0 months - Cleaning Method: Dishwasher safe Thank you for looking.