The Plumber's Choice 3-1/2 in. Strainer Basket with Ball Post Replacement for Kitchen Sink Drains Stainless Steel and Rubber Stopper 017532IN - The Home Depot
McAlpine Stainless Steel Strainer Plug
Plugs for kitchen sinks, Ø114 Basket strainer wastes for kitchen sinks - L.B. Plast srl
SPARES2GO Kitchen Sink Waste Strainer Plug Drain Stopper Basket Filter Rubber Seal | DIY at B&Q
COPLA Kitchen Sink Strainer Plugs Pack of 2 – Online Store Handmade With Love
90mm Basket Strainer Waste Plug
Strainer and plug for wastes
Basket Strainer / Stopper for Waste Disposal Unit (fits ISE models)