Silicone Ring For Hermetic Glass Container Oryx - Valid for Hermetic Round Glass Container 850 ml. "165 x 8 (height) cm. ( Code 05024060) - Made of silicone. -Ideal for replacing the rings on the lids of airtight containers that may have deteriorated. -Article known as rubber airtight container, rubber airtight container lid, silicone ring airtight container, silicone ring lunch boxes, rubber/ring tupperware, rubber/ring tuppers, rubber/ring tupers, rubber/ring tapers, rubber/ring tupers glass, rubber/ring glass tupperware.