30 Count 4-Inch x 4-Inch Injection Mold/Thermoform Round Plastic Seed Pots by GrowHobby for Plants, Cuttings & Seedlings STURDY AND REUSABLE: Our thermoform seed pots are made of lightweight but strong plastic and they hold up for years! These round polypropylene plant pots have all of the durability and features you would expect plus they will save you money year after year because you'll have a set of 30 to simply reuse when you need! PERFECT FOR SOIL AND HYDRO GARDENS: Whether you plan to use these plant pots for seedlings, herbs or smaller mature plants you can rest assured knowing that they'll work using soil or within your hydroponic set up. Many customers use our seed plant containers in their greenhouses, hydro farms, and in-home gardens. Our strong rim design is great for automated systems. DESIGNED WITH THE PLANT IN MIND - Our reusable plant pots are designed to hold and protect your new plant. They are lightweight and flexible, but will not crack. Each pot comes with 8 precision punched bi-lvel drain holes in the bottom to allow for proper drainage and also allow the plant's roots to reach the soil or hydro nutrients faster! HIGH-QUALITY EARTH-FRIENDLY MANUFACTURING: Our Earth-friendly manufacturing process is called thermoforming. It is a smarter alternative to traditional processes and is eco-friendly because it saves on resources by utilizing less plastic during production. US BASED FAMILY-OWNED COMPANY THAT LOVES ITS CUSTOMERS: When you purchase our reusable round plant pots, you can proudly purchase knowing that you're supporting a family-owned company. Just read the reviews below for proof and check out our Seller Feedback too!