Wide Mouth Mason Jar Blackout Sleeves Washable Reusable 12Pcs Hydroponic Blackout Sleeves for Light Control Great for Kratky Hydroponics 210D Oxford Fabric

- [ROBUST MATERIAL] Crafted from 210D Oxford fabric with adjustable buckles for durability and reusability. - [LIGHT REGULATION] Allows you to customize light exposure for different stages of plant growth. - [SIMPLE APPLICATION] Insert a wide mouth Mason jar and tighten the buckle effortlessly. - [WIDE APPLICATION] Great for Kratky hydroponics, making plant cultivation easier and effective. - [COMPLETE SET] Includes 12 blackout sleeves for continuous use in your hydroponic setup.