ABS plastic.Plant Pot Grid Set: you will receive 3 pieces of plant pot cover, each piece comes with 8 pieces of stakes, enough for you to fix and protect different sizes of pots.Proper Size: the size of this plant pot grid cover is approx. 11.8 inch in diameter, and the size of stake is approx. 10 cm/ 3.9 inches.Material: our plant pot covers for cats are made of ABS plastic, strong and reliable, not easy to bend or deform, weather and heat resistance, can be applied for a long time.Keep Your Floor Clean: this soil cover can effectively keep pets and toddlers from digging dirt out of plants and throwing it on the floor, making your home or garden cleaner and tidier.How to Use: firstly, measure the diameter of your pot and the size of the plant roots, then cut the right size of the grid pot cover accordingly, finally, put the indoor plant pot covers into the pot and fix them with the provided plastic stakes, very easy to install and remove Note: 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.