Shower Drain Hair Catcher, Strainer, Flat Drain Cover For Bathroom Floor, Rust. Rust-proof zinc alloy material, suitable for the shower drain. And it is heavy enough to keep it in place and reduce the water flow impact. The dimension is 4.9 L x 4.9 W (inches) and square shape can be used on round or square shower drain. Attention: fit for drain below 4 inch, Pls measure your drain before purchase. Dense and small holes can effectively catches hair without blocking water drainage. Easy to use, just put it on the shower drain to catch human or pet hair and other debris. Then remove the hair and rinse it with water. Soft, non-slip, silicone rim keep drain protector in place, no gap for hair slipping, not scratch your feet.