Product Name: Rooting Balls Pack of 5 with Pot Mix ComboPackage Contain: It has 5 Pack of Rooting Balls Pot Mix ComboMaterial: Plastic Product Dimension: 8 x 8 x 8 cmWeight: 100 gmAbout this item: These 5 transparent balls iare designed for plant propagation, helping branch to have roots more efficient and safely. These small containter is for providing soil substrate for ready-to-grafting branches, so they can have roots in air layering. Perfect for various plants, flower, rose branches, etc.The plant rooting grow boxes are made of eco friendly quality PP plastic, sturdy and durable makes them not easy to deform, reusable. The ball diameter is 8cm, suitable for branches of 7-12mm.