1. Compatible with most Sourdough Jar Kits: Our high-quality fabric cover, thermometer, and date elastic band are designed to be compatible with the majority of fermentation jars available in the market. 2. The perfect solution for your fermentation needs:The set includes 2 fabric covers, 2 thermometers, and 2 date elastic bands. If your fermentation jar's fabric cover, thermometer, or date elastic band shows signs of wear and tear, our replacement kit is the Perfect solution. 3. Upgrade your mason jar to a complete sourdough kit: Our fabric cover, thermometer, and date elastic band can transform your mason jar into a beginner-friendly sourdough jar kit, providing everything you need to start your sourdough journey. 4. Durable and reliable materials: Our Cloth Cover, thermometer, and Date Marked Feeding Band are made with high-quality materials, ensuring their and dependable performance throughout all your fermentation endeavors. Colour:As Shown Material:cloth Package Contents: 1 set * sourdough jar cloth cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.