PATIKIL 50mm/1.97" Foam Lid Liner, 50 Pack PS Foam Resistant Tamper Pressure Sensitive Seal for Bottle Cap Liners Seals : Amazon.co.uk: Home & Kitchen
DWK Life Sciences DURAN Premium Screw Cap, Colourless PFA, with PTFE-coated (Platinum cured) silicone cap liner | Fisher Scientific
PATIKIL 65mm/2.56" Aluminum Foil Cap Liner, 150 Pack Resistant Tamper Induction Heat Sealer Sealing Liners for PET Plastic Bottle Jar Lid : Amazon.co.uk: Home & Kitchen