12Pcs Blackout Sleeves for Ball Mason Jars, Black Wide Mouth Mason Jar Grow Cover, Hydroponic Container Sheath, Sprouting Jars

Enough Quantity: Package includes12pcs blackout sleeves, which are sufficient for you to use in daily hydroponic system or replace.

Easy to Control Light: Our hydroponic jar sleeves allow you control light for different sprout seeds. It can keep light out of your container when hydroponic use, and most green leafy sprouts also prefer indirect sunlight.

Product Size: The blackout sleeves fit 32oz wide mouth mason jars quite well, it’s not suggest to use on other size of mason jars.

Practical and Convenient: Its very easy to use, you can only put the mason jar into the sleeve ,then tighten the adjustable buckle.

Simple Hanging Instructions Included with each roll, Ideal for DIY'ers, Great for both renter and homeowner decorators who want that instant transformation. This design is a great addition to your bedroom, dining room, living room, Kitchen or even your Game room. It will enhance any room you hang it in.