Set of 5 PE Foam Floating Pond Aquaponic Mesh bottom Planters. These Planters allow roots to expand deep into the pots and free to drop down into the water. The deep planters allow for balance and plenty of protected root space within the planter before entering the open water at the bottom. The Thick PE Foam is 4" deep and durable, can handle sun, fish and water pond conditions, DOES NOT SUN ROT and disintegrate as styrofoam, water noodle foam and many other foams do. The Large Size 10" Floating Planter Pot fits 5 gal bucket top for easy relocating your large water plants indoors during winter etc. The large ring is 2" thick x 4" depth to hold your plants. Various sizes for your unique uses. Recommended for use with porous clay pebble grow media or grow stones (not included) With proper care and protection from *direct physical damage, can last many years. Store indoors during winter or icy conditions for extra longevity. *Must be weighted at bottom of planters according to instructions to prevent tipping in high winds, place garden stones in bottom of pot before transplanting, adjust according to your plants root density and grow media. Any questions welcome before purchase to avoid any inconvenience. Quick response!