Beautyflier Mason Jars 32oz Wide Mouth Shade Cover, Regular Mouth 32oz Mason Jars Sprouting Covers Drinking Glass Insulators Coolers Sprouting Jars Blackout Sleeve, Black, 4PCS

Package Included: 4pcs mason jar blackout sleeves with inner diameter of 3.5IN, the blackout sleeve fit 32oz wide mouth mason jars/ regular mouth mason jars, which are enough for you to use in daily hydroponic system or replace.

Can Be Used As Blackout Sleeves: It allows you control light for different sprout seeds. Not all sprouts prefer the same amount of light, most green leafy sprouts prefer indirect sunlight while the beans, legumes and grains sprouts actually prefer darker conditions.

Safe and Durable Material: These great looking neoprene insulator sleeves are made of premium quality materials and are built to last for years. They are easy to care for - just throw them into the washing machine whenever they need cleaning up.

Blackout Hydroponic Jar Covers: Mason Jar Blackout Sleeves, Wide Mouth Mason Jar Grow Covers for Alfalfa Bean, these Sleeves are easy to use, just put the mason jar into the sleeve, then tighten The adjustable buckle on The drawstring.

2 IN 1 Multifunctional Sleeves: Not only can used as Blackout Sleeves, This jar cover absorbs condensation & keeps hands comfy while holding your ice cold smoothies, water, iced coffee and hot drinks like tea too, used as Drinking Glass Insulators.

Package Included: 4pcs mason jar blackout sleeves with inner diameter of 3.5IN, the blackout sleeve fit 32oz wide mouth mason jars/ regular mouth mason jars, which are enough for you to use in daily hydroponic system or replace.