VIGO 27" L x 15" W Silcone Bottom Sink Grid for 30 in. Single Bowl Kitchen Sink & Reviews | Wayfair
Silicone Sink Protectors for Kitchen Sink, GUUKIN 26''x 14'' Sink Mat Grid for Bottom of Farmhouse Stainless Steel Porcelain Sink with Center Drain (Grey) - Amazon.com
VIGO 27 in. x 15 in. Silicone Bottom Grid for 30 in. Single Bowl Kitchen Sink in Matte Gold VGSG3018MG - The Home Depot
leafloat Kitchen Sink Bottom Grid 25.59" x 15.59", Fits Standard 28" x 18" Single Bowl Sink, T304 Stianless Steel, Sink Protectors - leafloat