I am an absolute fan Philips Avent and am very satisfied with the quality of the sterilizer. Unfortunately fits the thing not in my microwave ... (diameter 28 cm height 17 cm) I can only recommend once before to measure exactly. The quality is well accustomed. No discoloration or deformation. The plastic is sturdy! The lid sits firmly on the ground and does not dissolve.
The floor can be very heat through the water.
One star deduction for the size ... One should assume that should fit into any Mokrowelle the sterilizer.