◼️◼️ Tyvek Seal - 2 sheets of 20 pieces each (40 pieces total) ◼️◼️ ⚠️ Cannot be combined with other products, no quantity changes, and no discounts. #Nemo's Product List ★ Product Description ★ These seals are for attaching to the ventilation holes of mycelium bottle breeding or homemade breeding cases to prevent bacteria and gnats. Made of a sturdy mesh material, they are breathable and have excellent moisture retention. Outer diameter approx. 40mm, ventilation area approx. 25mm 20 pieces per sheet, 2 sheets total Total of 40 pieces. ● Brand new, unused ● Price includes shipping. ● Shipping will be via Mercari mail and delivered to your mailbox (anonymous delivery). ※ Please note that you cannot specify the delivery date or time. ● Please understand that I may not be able to respond immediately due to work or time constraints. ● Immediate purchase without comment is OK. ⚠️ Please refrain from purchasing if you are nervous or seeking perfection, as this is a personal sale and the item is stored at home. Thank you for your consideration. #BreedingContainer #TyvekSeal #MyceliumBottle #Filter #BacteriaPrevention #GnatControl #ContainerMoistureRetention #MoistureRetentionFilter #FilterSeal Type... Breeding Container Type... Mycelium Bottle