PlantBay easy-to-use plastic moss poles, perfect for helping your plants thrive! Made from high-quality materials. Our closed-back design retains and slowly releases humidity, promoting aerial root growth and encouraging your Monstera, Philodendron, Anthuriums and most aroids to climb and flourish. The Moss Poles are manufactured using high-quality, nontoxic strong polypropylene material. With the honeycomb design, good airflow is ensured, while the D-shaped design keeps the moss pole moist longer.. These moss poles are easy to assemble and can be easily stacked. Moss pole width can easily be adjusted as per need. These poles are reusable to easy to disassemble. But the benefits don't stop there! Using our GrowPole it will also encourage mature plant growth. Plants that climb naturally release auxin and cytokinin growth hormones, which help the stem grow There are 4 sizes available Mini - W 4.5 CM , H 29.8 CM Small - W: 6 CM, H 35 CM Medium - 7.8 CM , 40 CM Large - W 9.8 CM , H, 58 CM