China Hourglass manufacturers . Material: metal + glass + glass beads . Flowing time : 1 3 5 min ,2 3 5 min or customize . Size : 9 x 8 x 3 cm . Sand color : customize . Logo : silk screen . Good gifts for cooking coffee and tea This is a sand timer specifically for making tea. The brewing time of the old rough tea and pressed tea is slightly longer. Fine tea and loose tea brewing time is shorter. Specifically, the brewing time of black tea, green tea, and flower tea is generally 3-4 minutes, so that the brewed aroma tastes best. Oolong tea must be controlled within 2 minutes. If the time is too long, the taste of the brewed tea will be bitter. Pu鈥檈r tea belongs to dark tea and is usually brewed for 5 minutes. Product display Company IntroductionChina Hourglass manufacturers website:http://www.skyringe-crafts.com/hourglass/