They are made of quality PE that offer durable use without crumbling, good tenacity and durable. Not easy to be deformed and . The many holes of these cups promote healthy roots with even drainage. Letting the roots grow their own way, right down through the pot and out of the sides, allow for bigger, healthier roots. Feature - Color: Black. - Material: PE. - Size: About 5.7 x 5.7 x 3.7cm. - Promote a plant growth through aeration. - Smaller diameter at the bottom for easier removal of netpot with attached roots. - Wide lip on the of containers, easy to grab, lift and transport. - There are many holes of the container, which produce healthy roots with even drainage. - Suitable for aquaponic and hydroponic gardening of orchids, tomatos, peppers and . - Warm Tip: Dear buyer, Due to lighting effect, monitor’s brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 10 x plants basket