This superb growhouse is ideal for overwintering and is designed to protect tender young plants and produce early bumper crops toughened safety glass panels provide weight to withstand high winds whilst ensuring excellent light transmission and superb ventilation also included is a versatile adustable shleving system which can be removed to make way for your summer crops british made with a 25 year guarantee on the aluminium framework dimensions 4 0 40121m41 x 2 2 40065m4