Norpro 5493 Silicone Tea Infuser and Tamper Measures: 7.5" x 1.75" x 2" / 19cm x 4.5cm x 5cm Steep then press down gently to circulate hot water through tea-releasing the full flavor of the tea! Silicone is high heat resistant to 465 DegreeF / 240 DegreeC, non-porous and odor resistant Stands upright to easily fill with your favorite loose tea Slim design fits most cup styles