Lonsdale deluxe 18ft competition ring uk mainland delivery only the lonsdale deluxe 18ft competition ring benefits from a heavy gauge 3 5mm steel construction with colour coded framework for quick assembly and disassembly coupled with the 18mm plywood boards which offer a solid and durable platform this boxing ring features a quality 15mm shock absorbing foam underlay with a heavy duty canvas cover and comes complete with m10 rope tensioners and corner pads for each corner along with four