The hydroponic basket is made of plastic, and it is safe and non-toxic. It is suitable for garden, balcony and flower nursery. It can be used repeatedly and durable for long time use. Features: High quality plastic material, odorless, safe and non-toxic. The hydroponic basket is suitable for soilless plant, and it can save your water, lightweight and breathable. It is not easy to deform and rust, convenient to use. The hydroponic basket is suitable for garden, balcony, and flower nursery. Reusable and durable: it can be used repeatedly and durable for long time use. Specification: Condition: 100% Brand New Material: Plastic Upper Diameter: approx. 10.8cm/ 4.25in Inner Diameter: approx. 9.8cm/ 3.85in Bottom Diameter: approx. 8cm/ 3.14in Height: approx. 9.8cm/ 3.85in Weight: approx. 220~228g/ 7.76~ 8.04oz Package List: 10* Hydroponic Baskets Notes: 1. Please allow 0-2cm error due to the manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.