Is plastic lids and containers dishwasher safe?
Dishwasher-safe plastic usually belongs on the top rack to reduce warping from heat.
Caveats
- Skip heated dry when seals matter.
- Use a small-parts basket for lids and valves.
- Replace warped or cracked plastic.
Related items
Specific examples that include plastic lids and containers.
Many newer Hydro Flask bottles are dishwasher safe, but older bottles and some caps should be hand washed unless the label says dishwasher safe.
Yeti cups and tumblersMost current Yeti cups and tumblers are dishwasher safe. Put lids and gaskets on the top rack and let everything dry fully.
kitchen knivesHand wash good kitchen knives. Dishwashers can dull edges, bang blades around, and damage handles.
baby bottlesMost dishwasher-safe baby bottles can go on the top rack, with nipples and small parts in a closed basket.
plastic cutting boardsMost plastic cutting boards are dishwasher safe, usually on the bottom rack if they fit securely.
Stanley cupsMany Stanley cups are dishwasher safe, but check your exact model and put lids, straws, and small parts on the top rack.
travel mug lidsMost dishwasher-safe travel mug lids belong on the top rack, disassembled if possible, so gaskets and sliders can rinse and dry.
Instant Pot lidsMany removable pressure-cooker lids have dishwasher-safe parts, but valves, sealing rings, and electronics need exact manual guidance.
blender jarsMany blender jars are dishwasher safe, but blade assemblies, gaskets, and insulated or powered bases need manual-specific care.
food storage containersMost dishwasher-safe plastic food containers should go on the top rack. Glass containers can usually go on either rack if the lid is removed.
pet bowlsMost stainless steel or ceramic pet bowls are dishwasher safe. Wash plastic pet bowls only if labeled dishwasher safe.