Features:
Tissue culture plastic airtight airtight cap strain caps, available in a variety of sizes.
There are both breathable and airtight covers to help plants grow better.
It saves a lot of labor and facilitates the cultivation and planting of bacteria.
Suitable for 240/350/650ml tissue culture bottles and Cordyceps bottles.

Specification:
Material: PE
Dimensions: as picture shown
Color: as picture shown

Package Includes: 10pcs

Notes:
Please allow minor errors due to manual measurement.
The colors may be a little difference for the different monitor display.