Leak-Proof Silicone Sealing Rings - 10PCS for Mason & Kilner Jars, Both Colors
Leak-Proof Silicone Sealing Rings - 10PCS for Mason & Kilner Jars. Compatible with most standard-sized glass jars, food storage jars, and airtight glass jars. Perfect for Mason jars and more. Standard size fits almost all common jars.