Zojirushi Cap Packing for SM-LA

This specific replacement part is designed exclusively for the Zojirushi SM-LA (-AD) series. Check the bottom of your bottle or the original packaging to confirm your model number matches before purchasing.

Genuine Zojirushi parts are engineered to the exact specifications of your bottle, ensuring a precise fit that maintains the vacuum seal. Generic alternatives often fail to create an airtight closure, which can lead to leaks and poor temperature retention.

Yes, replacing a worn or damaged cap packing is the most common fix for leaks. Over time, the silicone seal can degrade or lose elasticity, so swapping it out for a fresh one typically restores the leak-proof performance.

Yes, the navy blue color is specific to the SM-LA (-AD) model design. While it matches the aesthetic of that specific bottle, its primary function is to provide the necessary seal for your beverage container.

There is no set expiration date, but you should inspect the seal regularly. If you notice it becoming brittle, cracked, or if your bottle begins to leak despite being tightened properly, it is time for a replacement.