All Carnival™ planters are available with the top ring, or without it. The CRP planter is constructed with the following materials: Top Rim: 5/8” Diameter Steel Rod, Vertical Straps: 3/16" x 1.5" flat bar, Base: 1/4" x 2" flat bar. The CPRN (no top ring) is constructed with the following materials: Top Rim: 1.25" Steel tube, Vertical Straps: 3/16" x 1.5" flat bar, Base: 1/4" x 2" flat bar. This steel planter box is a handcrafted, high-quality furnishing that is sure to enhance any space. Carnival™ planters may be powder coated in a wide variety of colors.