There are some sprouting jar lights covers. Mafe of cloth material, reusable and washable. Portable, lightweight, easy to install. Designed for sprouting, Hydroponic, or just used as a protective cover. You can share it with planting lover or hydroponic lover, help their plant from light. Features -Color:Black -Material:Cloth - Size: 16.00X8.00X1.00cm/6.29X3.14X0.39in -The sprout jar shade cover is made of safe material, which is , wear-resistant, washable, and reusable. -With the jar grow cover, you can control the light of different sprouts. -When used in hydroponics, it keeps light out of the container. -Just put the jar into the sleeve. The sprout jar shade cover is simple to use. It is convenient for you. -It can be used for a regular wide mouth jar or other jars of the same size. It is widely used and convenient. Package list: 4 x sprouting jar blackout covers