Amazon.com: 4pcs Replacement Gaskets for Stanley Cup, Silicone Seal Ring for Thermos Lid Compatible With Stanley Classic 20 oz 1.0 QT 1.5 QT 2 QT 2.5 QT Vacuum Bottle Stopper Transparent (White): Home & Kitchen
New Replacement Stopper Lid Plug Thermal Cup Thermos Mug Vacuum Bottle Cover Water Bottle Inner Accessories - AliExpress
Classic Vacuum Bottle Lid | 1.4 QT | Stanley – Stanley 1913
Amazon.com: IMPRESA 2 Sets of Thermos Stainless King (TM) -Compatible 16 Ounce Travel Tumbler/Mug Gaskets/Seals Products - BPA-/Phthalate-/Latex-Free - 2 Full Replacements Per Kit : Home & Kitchen