Top rack only

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.

Hydro Flask bottles

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 tumblers

Most current Yeti cups and tumblers are dishwasher safe. Put lids and gaskets on the top rack and let everything dry fully.

kitchen knives

Hand wash good kitchen knives. Dishwashers can dull edges, bang blades around, and damage handles.

baby bottles

Most dishwasher-safe baby bottles can go on the top rack, with nipples and small parts in a closed basket.

plastic cutting boards

Most plastic cutting boards are dishwasher safe, usually on the bottom rack if they fit securely.

Stanley cups

Many Stanley cups are dishwasher safe, but check your exact model and put lids, straws, and small parts on the top rack.

travel mug lids

Most dishwasher-safe travel mug lids belong on the top rack, disassembled if possible, so gaskets and sliders can rinse and dry.

Instant Pot lids

Many removable pressure-cooker lids have dishwasher-safe parts, but valves, sealing rings, and electronics need exact manual guidance.

blender jars

Many blender jars are dishwasher safe, but blade assemblies, gaskets, and insulated or powered bases need manual-specific care.

food storage containers

Most 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 bowls

Most stainless steel or ceramic pet bowls are dishwasher safe. Wash plastic pet bowls only if labeled dishwasher safe.