It is made of stainless steel material that is securely restrained, durable and practical. They can be used anytime and are very convenient and fast. And they are very practical, with a fine mesh surface that easily catches hair, residue, easy to filter, and goodbye to clogging. Features - Material: Stainless steel. - Size: 10.50X5.50X5.50cm/4.13X2.16X2.16in. - Notes: Suitable for 4.1-5.3cm hole diameter. - The special design of stainless steel floor drain has strong filtering effect and can prevent peculiar smell. Durable and practical. - Deep water seal to prevent peculiar smell inside and outside the , the principle of water sealing, automatic water storage seal, isolate the peculiar smell. - Effectively prevent clogging and odor, while allowing the water to drain quickly. - The structure of this filter elements is simple, tools are needed, and it is easy to install. - Fine filter workmanship ensures and fine details. You and your family will love this floor drain filter. Package list: 1 x floor drain core