the dishwasher can damage their mechanisms.
Intense heat can damage the vacuum seal between the double walls, reducing the cup’s ability to retain temperature. Additionally, plastic lids and rubber seals can warp or crack, leading to leaks, and harsh cleaners can leave a residual chemical taste or odor inside the container.
Here’s how to care for them: Hand wash the container and lid with warm, soapy water, using a bottle brush to reach deep into the interior. Air dry completely without the lid to prevent mold. Always check the manufacturer’s