4pcs Upper Lid Cover Topper Gasket Replacement for Zojirushi Mug Cap Top 16oz 12oz, Silicone Lid Stopper Seal Ring Parts Accessories Compatible with SM-K Series Water Bottle, BPA Free

["Packing List: This package contains 4 pieces of upper cover gaskets for Zojirushi stainless steel mug 16oz, 12oz, which outer diameter is about 4.5cm/1.77 inches. Enough to meet your daily use and replacement needs.","Durable Material: These upper lid gaskets are made of great quality silicone, reliable, BPA free, heart resistant, not easy to break and can withstand long-term use. Please clean before first use.","Leak-proof Design: These upper lid gaskets provide a tight, leak-proof seal to prevent spills. We recommend replacing the gasket regularly to ensure the mug remains insulated and leak-proof.","Easy to Replace: Just remove the old gasket and install a new one, very easy and convenient.","Compatibility: Our water bottle gaskets are compatible with Zojirushi SM-K model mugs, such as SM-KHE, KA, KB and other models. Please check the model of the bottle carefully before purchasing. Please note that our product isn’t sponsored or endorsed by the brand it fits, including Zojirushi."]