Norpro Blue Silicone 7.5 Inch Knockdown Colander Colander measures 4.25 inches/11cm height by 7.5 inches/18.5cm diameter Trivet measures 1.25 inches/3cm height by 7.5 inches/18.5cm diameter Space saving and pliable, easy to clean and high heat resistant are just some of the benefits Silicone is dishwasher safe and is FDA approved Features a unique expandable design