Made of material, waterproof, heat, and cold resisting(-94℉ to 320℉).
There are some drain holes on the bottom-helpful for planter growth.
GREAT FOR SEEDLING GROWING AND PLANTING- This raised garden bed is good for seedlings and planters growth, works with any material pot or planter.
Cube square allows it to be placed on any flat surface, rooftop, patio, urban gardens, concrete, etc..
FILL IT AND PLANT- This is an amazing way to grow vegetables without the hassle of an in-ground garden. It's easy to raise the garden bed.