Features: Make of ABS materials, can resist water erosion for long terms, not easy to rusts or deformation. Filter designs take into account the problem of preventing blockage, which can effectively reduce the blockage of the sink sewer. The surfaces is smooth, easy to clean, and can be washed or wiped with water to keep filter clean and sanitary. Easy to install, usually by placing filter at the sink drain, without the need for professional tools or technical support. Three section expandable designs, adjustable, suitable for most sinks. Specifications: Materials: ABS Quantity: 1pc/2pcs Basket adjustable length: 17-50mm/0.67-1.97inch Top diameter: about 110mm/4.33inch Total length: about 60mm/2.36inch Bottom diameter: about 55mm/2.17inch Package Includes: 1/2pcs Sink Strainer note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.