Silicone Jar Covers - 10 CT cococube Giant size roll is 54"

Giant size roll is 54" wide

• Gel filled (non-refillable)

Growers can start mushroom cultivation on the right foot with this proprietary blend of perfectly hydrated sterilized millet and hardwood oak dust for extremely fast colonization and maximized yields

***Cases come 5 grey and 5 black

Silicone Jar Covers - 10 CT cococube Giant size roll is 54"Preserve jar lids, filters, and injection ports when sterilizing and autoclaving with silicone jar covers. Used as a more effective alternative to foil saving money over time and creating significantly less waste. These jar covers are perfect for the budding mycologist, and are designed for wide mouth lids and hold up to extreme temperatures and pressure while protecting lids from excessive exposure to steam and water. Features Effective foil