EXTRA HEAVY DRAIN SCREEN -> PREVENTS FLOATING UP: Many drain sink plug strainer float up due to large amounts of water (e.g. when emptying cleaning buckets or taking a shower) and unblock the drain. Blockages are the result. INNOVATIVE TWO STAGE HOLE PATTERN: The advanced two stage hole pattern allows more effective filtration performance (even with small dirt particles) at a higher drainage speed. Find out for yourself! NO SCRATCHES; NO RUST; NO TEARS: The Kitchen Helpis sink cover is made of high quality and stainless steel SS430 making it rust-free and even dishwasher safe. UNIVERSAL SIZE 2.83 X 2.83 IN - VERSATILE AND VARIOUS SETS AVAILABLE: The Kitchen Helpis kitchen sink strainer can be used in many ways (bathtub, washbasin, sink, etc.). SATISFACTION GUARANTEED: We stand by our products. If you are not satisfied, we will refund the full purchase price. Even if you have already tried the product.