Are Silicone Lids Dishwasher Safe?
Yes — food-grade silicone handles the dishwasher well. Here's the practical nuance.
Most food-grade silicone lids and containers are dishwasher safe — silicone tolerates heat well and won't warp or degrade in a normal cycle. It's one of silicone's advantages over thin plastic, which can warp and cloud over time. For everyday cleaning, the top rack of the dishwasher is generally fine.
A couple of practical notes: silicone can hold onto greasy residue more than you'd expect, so for very oily foods a quick hand-wash sometimes does better. And if a lid combines silicone with another material, follow the guidance for the whole piece. But pure food-grade silicone itself handles the dishwasher without trouble. More on the material in is silicone safe for food storage.
Try Steely food-grade silicone storage.