Crafted of soft PP material,the plastic mixing bowls set are great for kitchen cooking/baking needs;Lightweight,easy to clean,sturdy and durable,deep and tall,don't get splatter when stirring,whisking,whipping;Ergonomic good grip and non-skid rubber bottom make them in place while mixing either by hand or with a mixer;Measurement lines inside for accurate result,wide pouring lip makes them handy to pour cake batter into pan as large batter bowl (12 cup);2-piece mixing bowl set(3-qt size),easy to stack for storage,perfect hostess gift,housewarming gifts or summer updates;