12Pcs Kratky Blackout Sleeves for Ball Mason Jars 32 Oz, Black Wide Mouth Mason Jar Grow Cover, Hydroponic Container Sheath, Sprouting Jars Sleeves for Help Plants Grow Healthily of Kratky

Description

Feature:🌱The hydroponic jar sleeve fits a 32 OZ mason jar, but the package does not include the mason jar.🌱It plays a good shading role for hydroponic plants, provides indirect sunlight that most green leafy buds like, and promotes the healthy growth of hydroponic plants.🌱Blackout sleeves are made of high-quality non-woven fabric, with adjustment buttons, washable and reusable.🌱Simply place the mason jar in the socket and tighten the adjustable buckle.🌱With these mason jar sleeves, keep your hydroponic plants free from green algae and help fill your garden with green life.🌱The kratky blackout sleeves can also help your bean sprouts shade effectively and make your bean sprouts sweeter.🌱A set includes 12 mason jar covers, a sufficient number for your daily use and replacement.Specification:Material: non-woven fabricColour: BlackPackage includes: 12 * hydroponic jar sleeveNotice:Package does not include 32 OZ mason jars.Please make sure your mason jar is 32 OZ before purchasing, other sizes of mason jars are not suitable.