The Sourdough Fermentation Jar Accessories offers a complete range of accessories to enhance your fermentation experience. And they are made of good material, which are safe and stable for a longtime of use. Features - ColorAssorted Color - Material:Plastic, cloth - Size: 10.00X10.00X3.00cm/3.93X3.93X1.18in (cloth cover) - Size: 4.00X1.70X0.10cm/1.57X0.67X0.04in (thermometer strip) - Size: 7.00X7.00X1.40cm/2.75X2.75X0.55in (date marking band) - Size: 9.00X9.00X1.30cm/3.54X3.54X0.51in (date marking band) -The cloth cover are made of good materials that are breathable, ensuring a perfect fermentation environment. -The temperature strips are accurate and easy to use, allowing you to monitor the temperature with precision. -The date marking bands are reliable, providing a convenient way to mark and track the fermentation . -These accessories are made of good workmanship and materials, to withstand a long time of use. -These Sourdough Starter Jar Accessories are widely appliable for home, bakery, cafe and other places. Package list: 2 x Cloth Covers 2 x Thermometer Strips 2 x Date Marking Bands