We ship out same day!
Reusable Adhesive Self Healing Injection Ports (50 Pack) 

Black multi-use self healing injection ports make inoculation a breeze when making your own spawn. Whether its for jar lids or spawn bags they take the guesswork out of inoculations. These self healing ports are made from a special mix of high temp silicone and EPDM foam rubber with a high temp 3M adhesive backing that will stick and hold up to autoclave temperatures. Just peel and stick! They can be re-used many time!