The rion 6ft x 10ft 321m x 197m eco greenhouse is great for garden enthusiasts who want to grow their own fresh crops and vegetables it has been constructed from strong and solid 4mm polycarbonate panels which are supported by a thick resin frame this frame will help to improve insulation for the greenhouse and heighten durabilitynot only is this product 100 protected from dangerous harmful rays but its also has no glass to break which only increases the safety element which is great