7oz wide neck glass feeding bottle with silicone sleeve High borosilicate glass Safe food grade silicone nipple Bpa ... MAXIMUM DURABILITY !2), Made from HIGH TEMPERED BOROSILICATE glass, it can withstand up to 600'c and ... and 100% FOOD GRADE SAFE silicone sleeve with a coefficient EXPANSION rate of 30% it ... can withstand up to 260'C!5) comply with America and European standards . While FDA certified , ...