Is Mason Jar dishwasher safe?
Dishwasher safe✓ Verified
Yes, a Mason jar is dishwasher safe.
Why
Mason jars are made of tempered glass, which can withstand high heat and dishwasher cycles. The glass does not react with detergents, and the metal lids are also dishwasher safe, though hand washing the lids may prolong their seal life.
How to wash it
Place jars upside down on the top rack of the dishwasher. For lids, hand wash with mild soap and dry thoroughly to prevent rust.
Last updated 2026-06-16. General guidance — always check your product’s care label. How we verify.