TopHat™ Container Stabilizers help prevent wind damage due to tip-overs. Also work great to hold plants that are tough to get straight in their containers. Saves labor and damaged plants. Easy to use, easy to stack and reuse. Galvanized steel wire construction. Built to last 10 years or more. Made in USA and used by top nursery and garden centers. No-trip, walk through design.Due to its dimensions, this product must ship via motor freight delivery. It is not eligible for any free or reduced shipping offers.