The sink sponge holder is made of iron and not easy to rust.The sponge holder for kitchen sink can be hung on the edge of 3.7cm sink.The grid is designed to allow the water to escape quickly, preventing bacteria from growing in your vessel. It's easier to use when you wash the dishes. Feature: Material: Iron painting, rust resistant and durable to use. Convenience: Simple installation and use. Hook design make it easy to clean. Healthy: Hollow bottom design allows water to drain fast and prevent bacterial growth. Size: It is small to save your kitchen space. Specifications: Material: Iron Color: White Size: 20*12*10.2cm Applicable Space: Kitchen sink, Cupboard, Bathroom storage Package includes: 1 x Drain rack