An excellent choice for those looking for a reliable and attractive greenhouse the rion 8ft x 20ft 259m x 610m hobby greenhouse hobby greenhouse has been made to withstand temperamental weather conditions and encourage the healthy growth of your plants constructed with a traditional apex roof its thick resin frame and 4mm polycarbonate panels are 100 shielded from dangerous solar uv rays and will serve to improve insulation the hinged doors are lockable by latch which will assist with