Features: Stop hair, contact lenses, jewelry from clogging drains.Easy to install, please refer to the following picture.Suits for wash bowls, sinks, bath tubs, stall showers, and laundry tubs. Specification: Brand New & High Quality Material: Silicone Heat resistant: 200° Celsius ~ -3° Celsius Weight: 85g Overall Diameter: 4.72"/12cm Inner Diameter: 2.75"/7cm Suitable drain outlet range: 1"~2.75"/2.7~7cm Directions: 1. Fit it right over the drain 2. To remove hair, lift this product by the knob off the outlet 3. Place a piece of tissue paper on the floor, and tap this product a few times until hair comes off 4. Wipe the remaining hair with tissue paper and put it back onto the outlet 5. Insert a movement prevention pin in the groove hole in the central part of the outlet port, and set it 6. Diagram directions are shown on the back of printed card Package Include: 1 x Silicone Kitchen Bath Sink Strainer, comes in Brand New Original Packaging.