PROLAST Canvas Boxing Ring Covers are made from professional grade canvas. We only use the highest grade canvas for PROLAST Canvas Boxing Ring Covers , not your standard tarp canvas. PROLAST Canvas Boxing Ring Covers material used is a double filled, dyed cotton duck, sports grade canvas. If you need a custom size or customized Canvas Boxing Ring Covers with velcro, please email us your request. PROLAST Canvas Boxing Ring Covers are made here in the USA.