Round holder for aquatic plants

Round holder for growing aquatic plants.
A bio ball that is made of clear plastic is a hollow sphere for growing aquatic plants.
It has a large surface and can attach large sums of nitrifying bacteria.
The seeds are not included in the package.
 
 
Specifications
Material plastic
 
Sizes about
Diameter 5cm and 1.9″
Height 3.6cm and 1.4″
 
 
Notes
The real product colors may be slightly different from what you see in the images.
The product dimensions may be slightly different from what is written in the product specifications.