This 4'x6' walk-in winter greenhouse features an aluminum frame, 4mm UV-resistant polycarbonate walls, adjustable roof vent, and rain gutters. It provides year-round plant protection, efficient water use, and a durable, eco-friendly growing space for gardens and patios.WINTER-GRADE PLANT PROTECTION: 4mm UV-resistant polycarbonate walls shield plants from cold, wind, and sun damage, enabling year-round growth in harsh weather.DURABLE ALUMINUM FRAME: Powder-coated aluminum frame with reinforced poles resists corrosion, ensuring long-lasting performance for outdoor gardening use.RAINWATER COLLECTION SYSTEM: Built-in rain gutters harvest natural rainwater, reducing water costs and supporting sustainable, eco-friendly gardening.ADJUSTABLE VENT & HINGED DOOR: Adjustable roof vent controls humidity, while a hinged door offers easy access and optimal air circulation for plants.SPACIOUS WALK-IN DESIGN: 4'L x 6'W x 6.4'H size provides ample room for plants, tools, and supplies, ideal for compact garden spaces. Product Type: Walk-in Winter GreenhouseAssembled Dimensions: 48.00" L x 75.60" W x 76.80" H (4'L x 6'W x 6.4'H)Main Material: Aluminum (frame), 4mm Polycarbonate (walls)Product Weight: 48.62 lbsKey Features: Adjustable roof vent, rain gutters, UV protection, corrosion-resistant frame