It is a new material Suntory invented.
For plants to grow, the balance of water and air in fundamental. The “Pafcal” Suntory invented is different from ordinary sponge, even high it absorbs the water almost equally from the top to bottom and keep the balance of water and air. And it is easy to replace the plants at change of seasons, events or shop renewals.
It is molded so it won’t collapse like soil.
Once it contains the water, it is 50% lighter than soil.
It ensures breathability, and supplies oxygen until the roots so plants grow bigger and longer.
You can replace the plant with Pafcal. Changing the design with seasons or maintenance is easy.