- ARLBA Stainless Steel Sink Protectors with protective rubber feet and bumpers keep the bottom of your sink safe from scratches and damage. The open grid design allows for drainage and can be used as a drying rack. Made of durable, food-grade 304 stainless steel, these sink grids are resistant to corrosion and rust. The multi-functional design is perfect for improving sink drainage and can be used for drying dishes, cooling, defrosting, and more. Easy to clean and comes with a 12-month worry-free warranty.