Inner caliber and bottom corners are designed with rounded corners, with smooth feeling, and it is not easy to scratch the seedlings.The materials are new and high quality, which are safe and non-toxic.Hollow design, breathable, for plant easy to grow.Sun protection and durable.Nice helper in the garden planting.Type: Root Fixing HolderMaterial: PPQuantity: 50PcsFeature: Mesh Net, Fixing Basket, Plastic, Planting SuppliesSize DetailType 25 : Outer Diameter: 3.5cm/1.37inch, Inner Diameter: 2.35cm/0.93inch, Height: 3.5cm/1.37inch, Bottom Diameter: 2.05cm/0.81inch (Approx.)Type 32 : Outer Diameter: 4.5cm/1.77inch, Inner Diameter: 3.15cm/1.24inch, Height: 4.5cm/1.77inch, Bottom Diameter: 2.65cm/1.04inch (Approx.)Type 40 : Outer Diameter: 5cm/1.97inch, Inner Diameter: 3.85cm/1.52inch, Height: 5cm/1.97inch, Bottom Diameter: 3.35cm/1.32inch (Approx.)Type 45 -35mm: Outer Diameter: 6cm/2.36inch, Inner Diameter: 4.35cm/1.71inch, Height: 3.5cm/1.37inch, Bottom Diameter: 3.8cm/1.49inch (Approx.)Type 45 -55mm: Outer Diameter: 6cm/2.36inch, Inner Diameter: 4.35cm/1.71inch, Height: 5.5cm/2.16inch, Bottom Diameter: 3.8cm/1.49inch (Approx.)Type 50 : Outer Diameter: 7cm/2.76inch, Inner Diameter: 4.85cm/1.91inch, Height: 7cm/2.76inch, Bottom Diameter: 4.1cm/1.61inch (Approx.)Type 60 : Outer Diameter: 8.5cm/3.34inch, Inner Diameter: 5.85cm/2.3inch, Height: 7cm/2.76inch, Bottom Diameter: 5.1cm/2.0inch (Approx.)Type 70 : Outer Diameter: 10cm/3.94inch, Inner Diameter: 6.85cm/2.7inch, Height: 7cm/2.76inch, Bottom Diameter: 6.1cm/2.4inch (Approx.)Type 80 : Outer Diameter: 11cm/4.33inch, Inner Diameter: 7.85cm/3.09inch, Height: 7cm/2.76inch, Bottom Diameter: 7.1cm/2.79inch (Approx.)Notes:Due to the light and screen setting difference, the item"s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes: 50 x Root Fixing Holder